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1.
Big, red and often times irritated, scabby nipples.

It is important to note that those afflicted with 'pepperoni tits' have a penchant for going shirtless while wearing tight shorts. They also tend to sport very unfortunate haircuts.
Dude, why is Alan Roberts always showing off his pepperoni tits during gym class?
by Louis Pappan January 23, 2004