Definitions by asherinalol

BIYM 

BIYM stands for Balls. In. Your. Mouth. Its the perfect comeback and is always fun to use and say with your friends or even your parents.

"deez nuts in your mouth hahahaha"
"boy BIYM"
"what..."
"BALLS IN YOUR MOUTH HAHAHAH"

BIYM by asherinalol February 17, 2022