knuckle bump

To snort a small amount of cocaine from the creases of your knuckle. Usually the most discreet way to snort in public (club, party, street) so that no one will suspect anything.

Ben: Did you see that chick knuckle bump?

Tice: I sure did.

by Nick Bowling Green May 17, 2006

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mayonnaise knuckle bump

When two bros go to knuckle bump each other and one has knowingly left ejaculation on his fist.

Ben: Hey brotha, what’s up? *offers knuckle forth for knuckle bump*

Chad: no man, I’m good, looks you got that mayonnaise knuckle bump there…

by JessaCali September 10, 2023

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Knuckle Bumping the Oatmeal

When you fist a loose bitch with a yeast infection.

Wallace- Dude, you took her home last night? She's a no-go with that YI.
Jones- Nah man. I was knuckle bumping the oatmeal all night.
Wallace- You're fucking sick.

by Kiril Ishikawa May 25, 2015

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Another term for a lesbian. To get a visual example, bend both the index and middle finger of each hand and bump the mid knuckles together thus simulating two vaginas bumping each other as lesbians do to get sexual pleasure, such as the extremely hot act of tribbing.

Guy 1: "Hey dude, have you met the new girl? She's hot!"

Guy 2: "Yeah, but dude she's a knuckle bumper. There's rainbows and shit all over her social network profile."

by MrFriendzone April 13, 2016

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bumper knuckle

slang word for fisting

i cant walk after being bumper knuckled.

by daddy2272727 May 19, 2017

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knucklebumped a floater

when one's aggressive ass-wiping causes him or her to forcefully strike the chocolaty log within the toilet bowl.

i was taking a behemoth dump on my break before i looked at my phone and saw that i had only one minute 'til punch in time. i was wiping so aggressively/quickly that i, accidentally, knucklebumped a floater.

by todd beanfeather February 24, 2009

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