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When the male sex organ becomes turgid with blood due to the enormity of a females mammary glands

BOT - Big Old Titties ( o )( o )
FOB - Full On Boner 8===D
"Sandra, you'll have to give me a minute before I get out of the swimming pool.... I have a throbbing BOTFOB after seeing you in your polka dot bikini"
BOTFOB by David Benson-Phillips April 12, 2019
Related Words
BITFOB BITFO btfob bitob BOTFOB Bitbob's Bitfolding
A "I'm tired, should we go out tonight?"
B "BITFO"

~~~

A "Who is up for another round of shots"
B "Me... BITFO"
BITFO by SilentlyScreaming July 2, 2009
When Elliot planed a date with Lauren. Elliot's girlfriend, Abbey, Snapchated Lauren with the caption,"btfob."
btfob by MountainRange July 25, 2017
1. "Book it the fuck out"
2. What you do when you see a beholder monster in your dungeons and dragons game.
"Guys its a fucking beholder, I vote we Bitfo before we get deathrayed."
BITFO by BITFO November 3, 2008
"Blow It The Fuck Out"

When you go out with the plan of drinking so much you can't see.
I'm so sick of work; let's BITFO tonight!
BITFO by bitfoer August 14, 2008