bbmc 

big black monster cock; a reference to the commonly held belief that Africans and African-Americans have larger penises than most non-Africans and non-African-Americans

"Jeremy is four-thirds black."
"Jeremy's white, though."
"It's all in the penis. He has a BBMC."

bbmc by ExarKun634 February 23, 2004

BBMC 

A BIG BLACK MEXICAN COCK ?!!?!?!?!?!?! OH MY GOD WHAT

"DAMN ZAKI, YOU GOT THAT BBMC!"
"I KNOW, ALL THE BIG BOOTY AND BIG TITTY BITCHES WANT ME"

BBMC by Zakiisjustbetter December 12, 2023