v. when a tampon or pad leaks through your pants, leaving a dark little spot on the ass of your jeans.
Possibly thee most embaressing thing that could happen. Especially in public.
Girl 1: damn it!
Girl 2: what?
Girl 1: I think I just spotted.
Girl 2: oooo! That sucks. I'll walk behind you, babe.
Girl 1: Thanks.
person 1: kye borrow some jeans?
perons 2: why?
person 1: i *whisper* spotted...
person 2: they're in the third drawer.