A mysteriously competitive bar game which originated in Milwaukee, Wisconsin. A game often played by white Caucasian females. Try as they might, the male species often tries to engage in the activity; however, due to its mysterious nature, men are often left in a confused state.
Man 1: How are things going with that one girl?
Man 2: I thought pretty well, until she asked my to play Giant Jenna with her.
Man 1: That's a horrible break, what did you do?
Man 2: How the hell should I know?
by Giant_Jenna_Player June 1, 2014
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