What is Bigmotherfuckingblackasstuba?
1.
Another name for a black person with a large penis. The saying apparently originated from
"I saw this porn the other night, and this hot chick was blowing on this guys Bigmotherfuckingblackasstuba. She could barely fit it in her mouth"
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1.
When doing a girl from behind, you quickly pull out, and attempt to put it in her ass. She turns back to look at you and u qickly ejacul..