A booty hot dog is when your erect penis is placed in the middle of the ass crack. Her ass cheeks make the bun and your penis is the "meat". A booty hot dog can be executed as foreplay or can be innocently performed with your "morning wood".
"did you hook up with that chick?"

"yeah man. I kicked it off with a booty hot dog!"
by B Ross, The boss September 2, 2011
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