definition of
goof

[1] #1 goof v. [drop the ball, sin, blunder, boob] commit a faux pas or a fault or make a serious mistake; "I blundered during the job interview". wn

[2] #2 goof n. [fathead, goofball, bozo, jackass, goose, cuckoo, twat, zany] a man who is a stupid incompetent fool. wn

[3] #3 goof n. [clown, buffoon, goofball, merry andrew] a person who amuses others by ridiculous behavior. wn