The scab left from ripping a hair off your nipple after it bleeds.
guy 1: "you have 3 nipples?" you:"no. its just an oobiescab"
by Pat Paterson June 02, 2007
the mark or scab left on your ass after you've peeled off some skin
check out ryan's gnarly oobiescab!
by ryan P G May 28, 2007