by Poonhunter12345 March 2, 2009
A bumgina happens when a dude with a big ass dick like lex the impaler steele tears the hoe's asshole into her vagina. hence the joining of the words bum and vagina
by lextheimpaler January 22, 2011
I'm pregnant, put it in my bumgina.
by mykul April 16, 2006
The end result of what is created when during intense anal intercourse the flesh of the taint is ripped through to the vagina creating one larger opening as opposed to two. Usually requires medical attention.
by reddawg April 30, 2007