1 definition by OSU_BEAVER

Top Definition
Giving or receiving anal sex on first date.
Brad Pitt got a Jim Jupiter from Angelina. Brad was in love after he scored a Jim Jupiter from Angelina. Angelina always gives Jim Jupiters. Angelina is popular for her Jim Jupiter's. Brad has standard's in that he only dates girls who give Jim Jupiters.
by OSU_BEAVER January 22, 2006

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