Streaks of poo stains on white underwear, also known as skid marks, but in this instance occurring as a result of farting.
Man 1: bro what's going on? why does your house smell like bleach?

Man 2: I met this great chick and tonight's our third date. I'm trying to get rid of the bloatation marks on my underwear in case I get lucky tonight.

Man 1: Dude you gotta cut out those refried beans.
by Wpprsnppr November 10, 2013
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