The act of snorting a drug (meth, coke, ketamine, ecstasy) and then having sex with someone off the popular gay hook-up application, Grindr.
Look at that cracked out queen, bet he gets online later to arrange a bump and grindr.
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The goose bumps that often precede or accompany an imminent, voluminous bowel movement.
I knew I had to find a rest stop post-haste when I got the deuce bumps.
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Making contact with parked cars during the course of parallel parking. Referencing the typical lack of courtesy that makes Bostonians and other Masshole motorists famous.
That Masshole parked his minivan over the white line. I'll pull into the space next to him, but he's gonna get the Boston Bump.
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The act of 2 women criss crossing there legs and riding back and forth, or scissoring.
I walked in on the 2 whores cunt bumping.
A creeper that stares at pregnant women's bellies.
OMG, here comes Ryan, hes such a bump gazer!
Like fist bump for your wenis, aka the skin on your elbow.
Sup man! Wenis bump!
A bruise or gash that you wake up with after a night of partying or heavy drinking, with no remembrance of what happened or how you got it. Occuring with the stupidity and clumsiness of intoxication.
Mike - "Woah Dude! That bruise is huge, what the hell happened?"
John - "Drunk Bump"
Mike- "that explains it.. you were REALLY shitfaced last night"