A bump fist is where you fist bump upside down
bump fists are normally preformed by an idiot, generally called Aaron, who thinks that doing a bump fist is the normal way to fist bump.
Person 1: wow look at that idiot aaron doing a bump fist
Person 2: they are such an idiot bump fisting like that
by play dO August 8, 2019
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When two people bump fists
Jeff and Mike were so happy with their work, they ended up bumping fists with satisfaction.
by D0ntThink2hard April 3, 2017
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1. The act of masturbating (the bumping of the tip of the penis) and fist pumping at the same time. This act is usually done when watching exciting porn or when someone just really likes Jersey Shore.

2. The act of making the previous definition motions as a dance.
1. Person X: Dude you wanna go down town tonight?
Person Y: Na I rented a gang bang porn and I think I'm going to cheer on the guys by doing the Head Bump, Fist Pump.

2. Person X: How are you banging a different girl every other week?
Person Y: I just Head Bump, Fist Pump like a champ at the clubs.
by C.2.P. June 22, 2010
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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
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Zootime merriment performed by the fab five in a clenched fashion somewhat like a fist bump that ravagely pummels the living shit out of one’s pooper
On my ten year high school reunion, I was able to reunite with my old bestie Lenny Fry.. and to think I wasn’t gonna go, the second we seen eachother we did our good ole fist bump and it was like we were youngins again
by Roobeer September 27, 2020
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a band-aid for the soul
“yo you should tell the teacher that Johnny was beating the crap out of you”
“nah, he gave me a fist bump, so we are best friends now.”
by mr.meosfavstudent October 15, 2018
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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 5, 2008
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