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An inside joke is a joke that only people who consistently watch a certain tv show, and that occasional watchers don't get. The loyal watchers would get it, because they know pretty much everything about that that show. you pronounce iy like show, and then a k.
Tv: Don't spill the pudding
Guy 1: HAHAHA!!!!
Guy 2: what's so funny?
Guy 1: oh, don't worry, it' an inside showk.
by um.......me April 28, 2010
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