jail bird(n = noun.person) gaolbird, jailbird - a criminal who has been jailed repeatedly;
is a kind of criminal, crook, felon, malefactor, outlaw

   A prisoner; one is in prison or who has been confined in prison. [PJC]

N  prisoner, prisoner of war, POW, captive, inmate, detainee, hostage, abductee, detenu, close prisoner, jail bird, ticket of leave man, chevronne, imprisoned, in prison, in quod, in durance vile, in limbo, in custody, doing time, in charge, in chains, under lock and key, under hatches, on parole.

N  bad man, wrongdoer, worker of iniquity, evildoer, sinner, the wicked, bad example, villain, rascal, scoundrel, miscreant, budmash, caitiff, wretch, reptile, viper, serpent, cockatrice, basilisk, urchin, tiger, monster, devil, devil incarnate, demon in human shape, Nana Sahib, hellhound, hellcat, rakehell, bad woman, jade, Jezebel, scamp, scapegrace, rip, runagate, ne'er-do-well, reprobate, scalawag, scallawag, rou_e, rake, Sadist, skeesicks, skeezix, limb, one who has sold himself to the devil, fallen angel, ame damnee, vaurien, mauvais sujet, loose fish, sad dog, rounder, lost sheep, black sheep, castaway, recreant, defaulter, prodigal, rough, rowdy, hooligan, tough, ugly customer, mean mother, ruffian, bully, meanie, Jonathan Wild, hangman, incendiary, arsonist, fire bug, thief, murderer, terrorist, culprit, delinquent, crook, hoodlum, hood, criminal, thug, malefactor, offender, perpetrator, perp, disorderly person, misdemeanant, outlaw, scofflaw, vandal, felon, (convicted criminal), criminal, convict, prisoner, inmate, jail bird, ticket of leave man, multiple offender, blackguard, polisson, loafer, sneak, rapscallion, rascallion, cullion, mean wretch, varlet, kern, ame-de-boue, drole, cur, dog, hound, whelp, mongrel, lown, loon, runnion, outcast, vagabond, rogue, ronian, scum of the earth, riffraff, Arcades ambo, Int, sirrah!, Acherontis pabulum, gibier de potence.

adjutant bird, anseriform bird, ant bird, apodiform bird, aquatic bird, baby bird, baltimore bird, bird, bird cage, bird cherry, bird cherry tree, bird dog, bird family, bird fancier, bird feed, bird feeder, bird food, bird genus, bird louse, bird nest, bird of jove, bird of juno, bird of minerva, bird of night, bird of paradise, bird of passage, bird of prey, bird parker, bird pepper, bird sanctuary, bird shot, bird vetch, bird watcher, boatswain bird, bower bird, butcher bird, canary bird, caprimulgiform bird, carinate bird, cedar bird, chipping bird, coastal diving bird, cockyoly, bird, columbiform bird, common bird cherry, coraciiform bird, corvine bird, crocodile bird, cuculiform bird, early bird, elephant bird, european bird cherry, flightless bird, flying bird, frigate bird, gallinaceous bird, gallows bird, game bird, gooney bird, huia bird, humming bird, indigo bird, jail, jail cell, jail delivery, limicoline bird, lyre bird, mallee bird, man-of-war bird, mino bird, mocking bird, mound bird, myna bird, mynah bird, myrtle bird, night bird, nonpasserine bird, oceanic bird, oscine bird, passeriform bird, peabody bird, pelagic bird, perching bird, phoebe bird, piciform bird, policeman bird, queer bird, quetzal bird, raptorial bird, rare bird, ratite bird, rifleman bird, satin bird, scrub bird, sea bird, secretary bird, sedge bird, shore bird, tropic bird, tyrant bird, umbrella bird, wading bird, water bird, wheatsel bird, whidah bird, whydah bird, widow bird, yard bird, young bird