When your are hitting it from the back and your balls are slapping her/his ass.
@c_sn_mouw
@nathan_is_a_bum
You better watch your mouth before I start bum drumming your ass.
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A phrase that is used when something or someone annoys another person.
Gosh Dude you are such a freaking bum grasser!
Aw man we have a pop quiz! Thats so Bum Grass!
I didnt get picked for the team, thats Bum grass!
When you line cocaine on someone's asscrack and snort it
"John did a bum & coke off my sister last night!"
someone who acts as a "stick in the mud" and is extremely lazy.
Emma! Don't be such a bum jiggle!
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When you are accidentally sitting on an item or object that someone else or yourself is looking for.
Friend 1: โWhere is my phone!?โ
Friend 2: โYouโre bum scrumbling it!โ
The flesh that hangs from an extremely obese persons buttocks.
In order to engage in anal sex with that large lady, one would have to open her bum curtains.