A sexual act which involves a man sticking his penis between a woman’s FUPA particularly after she’s built up a sweat (extra seasoning)
Hey Charles how’d it go last night?

She took me out to the ball game, she gave me a Ballpark Frank!
by Lord Tuggington III January 23, 2021
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It is when you stick your dick between a pair of buttcheeks and rub back and forth, resembling a hot dog going into a bun. Hence, the ballpark frank.
"I'm gonna ballpark frank Meredith this weekend."

"Would you like a ballpark frank?"

"I was giving Kate the ballpark frank."
by ablizzy February 24, 2012
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When you and your girl are at a baseball game and y’all make it on the big screen she starts sucking your dick with mustard and ketchup
Cole: Dude Stephanie gave me the best ballpark frank ever at that Astros game lastnight
by Lazycoffee November 17, 2019
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