Top Definition
Another name for a black person with a large penis. The saying apparently originated from vanilla ice although i am unsure if that is the case
"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"
#penis #tuba #bigtuba #big #black #vanilla ice
by goatc April 23, 2008
6 Words related to Bigmotherfuckingblackasstuba
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