man in the street(n = noun.person) joe bloggs, joe blow, john doe - a hypothetical average man;
is a kind of common man, common person, commoner

   An average person; as, the views of the man in the street. [WordNet 1.5]

N  commonality, commonalty, democracy, obscurity, low condition, low life, low society, low company, bourgeoisie, mass of the people, mass of society, Brown Jones and Robinson, lower classes, humbler classes, humbler orders, vulgar herd, common herd, rank and file, hoc genus omne, the many, the general, the crowd, the people, the populace, the multitude, the million, the masses, the mobility, the peasantry, king Mob, proletariat, fruges consumere nati, demos, hoi polloi, great unwashed, man in the street, mob, rabble, rabble rout, chaff, rout, horde, canaille, scum of the people, residuum of the people, dregs of the people, dregs of society, swinish multitude, foex populi, trash, profanum vulgus, ignobile vulgus, vermin, riffraff, ragtag and bobtail, small fry, commoner, one of the people, democrat, plebeian, republican, proletary, proletaire, roturier, Mr, Snooks, bourgeois, epicier, Philistine, cockney, grisette, demimonde, peasant, countryman, boor, carle, churl, villain, villein, terrae filius, son of the land, serf, kern, tyke, tike, chuff, ryot, fellah, longshoreman, swain, clown, hind, clod, clodhopper, hobnail, yokel, bog-trotter, bumpkin, plowman, plowboy, rustic, hayseed, lunkhead, chaw-bacon, tiller of the soil, hewers of wood and drawers of water, groundling, gaffer, loon, put, cub, Tony Lumpkin, looby, rube, lout, underling, gamin, rough, pot- wallopper, slubberdegullion, vulgar fellow, low fellow, cad, curmudgeon, upstart, parvenu, skipjack, nobody, nobody one knows, hesterni quirites, pessoribus orti, bourgeois gentilhomme, novus homo, snob, gent, mushroom, no one knows who, adventurer, man of straw, beggar, gaberlunzie, muckworm, mudlark, sans culotte, raff, tatterdemalion, caitiff, ragamuffin, Pariah, outcast of society, tramp, vagabond, bezonian, panhandler, sundowner, chiffonnier, Cinderella, cinderwench, scrub, jade, gossoon, Goth, Vandal, Hottentot, Zulu, savage, barbarian, Yahoo, unlicked cub, rough diamond, barbarousness, barbarism, boeotia, ignoble, common, mean, low, base, vile, sorry, scrubby, beggarly, below par, no great shakes, homely, homespun, vulgar, low-minded, snobbish, plebeian, proletarian, of low parentage, of low origin, of low extraction, of mean parentage, of mean origin, of mean extraction, lowborn, baseborn, earthborn, mushroom, dunghill, risen from the ranks, unknown to fame, obscure, untitled, rustic, uncivilized, loutish, boorish, clownish, churlish, brutish, raffish, rude, unlicked, barbarous, barbarian, barbaric, barbaresque, cockney, born within sound of Bow bells, underling, menial, subaltern, below the salt, dummodo sit dives barbarus ipse placet.

age of man, apron man, average man, back street, backup man, ballyhoo man, beef man, best man, bionic man, black man, boskop man, broth of a man, career man, cave man, city man, college man, common man, company man, con man, confidence man, conjure man, corner man, cow man, cross street, customer's man, dead-end street, dirty old man, divorced man, downing street, easy street, elevator man, end man, enlisted man, ent man, fall of man, family man, fancy man, feral man, fighting man, fingerprint man, fleet street, four-minute man, front man, g man, garbage man, gay man, gingerbread man, government man, great man, grub street, handy man, harley street, hatchet man, heidelberg man, high street, hired man, hit man, holdup man, hollow man, holy man, honest man, inner man, iron man, isle of man, java man, ladies' man, leading man, learned man, leg man, local street, lombard street, lookout man, main street, maintenance man, man, man and wife, man eater, man eating, man friday, man hour, man jack, man made, man of action, man of affairs, man of deeds, man of letters, man of means, man of science, man of the cloth, man of the world, married man, mechanical man, medical man, medicine man, middle-aged man, military man, miracle man, modern man, mountain man, muffin man, muscle man, navy man, neandertal man, neanderthal man, odd man out, odd-job man, old man, old man of the mountain, one-way street, organization man, outdoor man, party man, peking man, piltdown man, pivot man, point man, poor man, pr man, preacher man, prehistoric man, property man, public relations man, publicity man, railroad man, railway man, red man, remittance man, renaissance man, rewrite man, rhodesian man, rich man, right hand man, right-hand man, section man, service man, side street, solo man, song and dance man, sporting man, squaw man, stan the man, stickup man, stone age man, straight man, straw man, street, street address, street arab, street child, street cleaner, street clothes, street corner, street cred, street credibility, street drug, street fight, street fighter, street girl, street lamp, street name, street organ, street person, street sign, street smart, street smarts, street sweeper, street theater, street urchin, strong man, stunt man, t man, the street, to a man, trigger man, trinil man, two-way street, unmarried man, utility man, vigilance man, wall street, wealthy man, white man, wild man, wise man, wolf man, woman of the street, working man, worship of man, yellow man, yes man, young man