Top Definition
To receive fellatio and the fellating party puts both one's cock and balls in their mouth
The B was full blown last night. That girl's mouth must have been huge to fit his mammoth sized balls in there at the same time as his monsterous man-rod.
by Big Unca Mike September 04, 2008
1 more definition
A term used to describe a very manly lesbian, or extremely feminine fag.
That's a fullblown diesel driving that 18-wheeler. Nice mullet!
by Krysten April 16, 2004

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