look up any word, like donkey punch:

1 definition by flaminghito

A portmanteau of the words pimp and impact. Describes the impact a pimp has on the prices of a prostitution. Coined in the book "SuperFreakonomics".
"These high prices for the local prostitutes are no doubt tied to A Pimp Named Slickback's pimpact."
by flaminghito October 24, 2009