Performing vigorous cunnilingus or analingus on a French woman (or man if it's analingus)
Bob: Hey man how'd it go with that French lady you met last night?
Joe: Let's just say I toss a frog.
Bob: whaaaaaat???
Joe: Yeah I tossed that frog all night man. She was squealing.
by clockwerkdota2 October 6, 2015
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