Top Definition
One who likes to push buttons. That is, a person who enjoys getting people irritated and starting fights and arguments; a colloquial term for an instigator.

Not to be confused with button masher.
Sarah: Ooh, that Steve is such a dick! He keeps making fun of my weight even though he knows I'm sensitive about it. Kate, do you think I'm fat??

Kate: No, no. Don't worry about Steve, he's just a button pusher.
by ShAdOwZ August 06, 2009
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