When one has a severe dose of Diarrhea
After eating a very spicy or hot meal which then results in you "Following Through" to the extreme you have a dose of "Thunder Bum"!
7๐ 4๐
when you got semen between ur butt cheeks.
"me and sally were doin the doggy. and then i skeeted on her" says jose.
" oh no way dude you gave her a cum bum!" - javier
"yeah i did!" - jose
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A bomb shoved up someone's ass.
AAAHHH THAT GUY HAS A BUM BOMB! Save Me!
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what happens when you're sitting in one of those seats with a hole at the back, and you lean forward and your ass pokes out the back and looks so funny. originated from me discovering it in maths
woh that guy in that seat over there has Simon bum
8๐ 5๐
Relaxing somewhere besides ones home, wearing clothing found in on the ground in the area of said relaxing.
Steve: Yo, where'd you get that sweater?
Paul: I was Bum Chillin' at the skate park and found it in the garbage can.
8๐ 5๐
when you don't wear underwear and your arse eats your pants.
man that chick has hungry bum
8๐ 5๐
When you hug someone from behind. Usually what boys do to girls.
Person One: You look like you could use a bum hug
*Hugs person from behind*
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