1.  goof(n = noun.person) bozo, cuckoo, fathead, goofball, goose, jackass, twat, zany - a man who is a stupid incompetent fool;
is a kind of fool, muggins, sap, saphead, tomfool
Derived forms verb goof₁, adjective goofy₁

2.  goof(n = noun.person) buffoon, clown, goofball, merry andrew - a person who amuses others by ridiculous behavior;
is a kind of comedian, comic
has particulars: harlequin, fool, jester, motley fool, whiteface, zany, emmett kelly, kelly, weary willie
Derived forms verb goof₁, adjective goofy₁

   goof(v = verb.social) blunder, boob, drop the ball, sin - commit a faux pas or a fault or make a serious mistake; "I blundered during the job interview"
is one way to breach, break, go against, infract, offend, transgress, violate
Derived forms noun goof₂, noun goof₁
Sample sentences: Somebody ----s; Somebody ----s PP

   a stupid fool. [WordNet 1.5]

   to commit a faux pas or fault. [WordNet 1.5]

goof, n. & v. sl.
--n.
1 a foolish or stupid person.
2 a mistake.
--v.
1 tr. bungle, mess up.
2 intr. blunder, make a mistake.
3 intr. (often foll. by off) idle.
4 tr. (as goofed adj.) stupefied with drugs.

Etymology:
var. of dial. goff f. F goffe f. It. goffo f. med.L gufus coarse

goof off