Top Definition
An alternative to a high five or handshake, often seen in sports. The white person's term for dap. Preferred by germophobiacs such as Howie Mandel. According to Fox News, a terrorist action.
Fox News anchor E. D. Hill: "A fist bump? A pound? A terrorist fist jab?"

Kevin: "Nice shot, man! Fist bump!"
by thesivart July 04, 2008
fist bump

when 2 or more people, friends, make a fist and bump each other
with their knuckles as a way of saying hello, what's up,
keep up the good work,

see bump me
fist bump
by blthrskt October 26, 2009
When 2 people are bent over standing with their butt cheeks touching and, simultaneously, fake sneeze until their sphincters kiss.
Person 1: Aw man, I'm going to have to stick to soft foods for awhile.

Person 2: Why's that?

Person 1: Because we were fist bumping until I gave myself a hemmorrhoid.
by Nfarnold21 August 03, 2015
When two people are both fisting a girl at the same time. One fisting the vagina and the other fisting the arsehole. While both are fisting the fists hit each other as a form of a bump. 'Fist Bump'
Guy 1: Hey, how did it go with Ashlee?

Guy 2: Me and Steve totally fist bumped her last night, she's such a slut!
by The WizzaRrd August 30, 2011

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