smarty pants

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smarty pants

1. One who obnoxiously and frequently attempts to assert perceived superiority in intelligence; a know-it-all. Don't be such a smarty pants. You don't know everything.
2. One who makes jokes and uses sarcasm in an attempt to seem witty, but instead is deemed annoying; a smart aleck. OK, smarty pants, are you going to help me, or just stand there mocking me all night?
See also: pant, smarty

smarty-pants

n. a cocky person; a smart aleck. Look, smarty-pants, let’s cut the clowning around.
References in periodicals archive ?
Greg is the only one with any passion, but he is too much of a nice guy to save the restaurant, he needs the help of his partners, but Brian would rather be home with his feet up, and David is too much of a smarty pants.
I did say when I signed him - and I'm not being a smarty pants - he would give us an edge in tight games to open up defences.
I did say when I signed him, and I'm not being a smarty pants, he would give us an edge in tight games to open up defences.
I can unearth gaps in structure, point to omissions and generally feel like a smarty pants.
Anne Robinson and Danny Wallace return with this epic quiz, giving you the chance to find out just how much of a smarty pants you really are.