You know how the Simpsons have yellow skin color? This includes the dicks of the male characters, yellow colored, like bananas. So basically a simpson dick is a banana.
Brandon: Hey dude remember when we got stoned the other day?
Dally: Yea man we started to think about evolution, thought we were monkeys, and then stuffed ourselves with simpson dicks when the munchies hit us!
by Bestial Invasion February 20, 2009
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