Noun. Yiddish. A stupid, irritating, and ineffectual person. Literally a penis. Often accompanied by the gesture of a fist with the pinkie finger raised. Differs from schmuck by being a fraction of the size.
Literally, vulgar slang for penis, not to be used lightly. More offensive than the schmuck, which can be used affectionately or teasingly. Rarely used to describe the member, schmuck does that. Def. from the "Joys of Yiddish" by Leo Rosten
A putz is a numbnuts who hasn't a clue that s/he is so so so very dumb or clueless. A true putz is not only stupid or completely 'out of it', but s/he is also aggressive or combative about his/her totally inept decision-making.
Example: Mike and Louise are such putzes. Wow, they just keep compounding their previouserrors and dumb moves with even worse ones!