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To punch a girl in the kidneeys while having anal sex with her. this often makes her bleed out of her mouth. The Frogger is often used in fucked up gothic/S&M porno.
"I was Bangin' this girl last night and i gave her The Frogger. She charged me with sexual assault and now my friends call me Kobe :("
by Kaz Moses May 24, 2004
Giving a girl kidney punches while doing her doggystyle
"Yo man I was with this kinky girl last night and she wanted me to give her the frogger"
by Spanky T Clown February 13, 2003