A single male; he can and does whatever he wants.
Are you hooked up or are you running buck these days?
by synetrics October 24, 2009
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Doing the worst possible run in a choice game
Did you play that game?
Yeah, I accidentally did a buck run
by Jemjher June 7, 2018
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When someone pretends to borrow a buck or more in dollar bills and then runs off with it leaving the victim pennyless.
Sarah: Oh look, the Salvation Army is doing donations for the Christmas season.

Lenny: No stupid, it's a bum on a buck run.
(background: Woo-hoo! I'm rich! Goodbye sucker, hello Absolut!)
by Jose Gomez October 5, 2006
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