Main entry: goof, goofball, clown, buffoon, merry andrew
Definition: a person who amuses others by ridiculous behavior
Main entry: goof, goofball, goose, zany, jackass, cuckoo, fathead, twat, bozo
Definition: a man who is a stupid incompetent fool
Main entry: drop the ball, goof, blunder, boob, sin
Definition: commit a faux pas or a fault or make a serious mistake
Usage: I blundered during the job interview