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An alcoholic drink made with one part vanilla-flavored rum (Nilla) to three parts Dr. Pepper (Pep). Women drink NillaPep, men want to be NillaPep. It's widely considered the perfect drink to accompany a Game Night, particularly when playing Settlers of Catan.
"I'll give you two Sheep and an Ore for a Brick and a NillaPep!"

"Hey buddy, can you Nilla up my Pep?"
by Russell Fox March 17, 2008
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