bumping bums

the act or
bumping your ass with someone.

Hey Jonathan wanna start bumping bums soon.

Bum Bump

this is a bump that will form intantly after a bum touches your skin.

if a bum off the street came up to you and had any kind of contact with your skin on any part of your body a BUM BUMP will form.

Another example Kevin Hart the comedian has a fear of bums coming in contact with him because he doesnt want any of his skin touching theirs becasue he will develope a BUM BUMP.

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bum bump

When a hobo off th street gets freaky and touches your lip then a bump forms soon after

Person: Man you got herpes or somthin'?
Other person: nah man it's just a bum bump

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bum-bump

When you enjoy the way someone's bum looks from a distance, so you get to know them better. The word is often used flirtatiously or used by a children/teenagers while joking. If a odd male figure uses the word towards a adult woman, it is called a "cat-call or booty call".

DAAAAAAMMMMN, I'd love to bum-bump!!!

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