Someone who exposes them self on webcam, only for it it to come back and bite them on the ass when pictures of said events appear round school, work, etc.
Jane: Did you see those pictures of Dave on the sixth form notice board?
John: Yer, he's such a webcam weirdo!
An object you bought for a couple bucks. You give people a nonchalant reason for why you want one or need one, while in fact, you just use it to do sexual things for your bf/gf.
Guy 1: "Dude, I so need this webcam for school."
Guy 2: "Yea right, you're just jerkin' your chicken for Stacy 'cause you're so lazy to go over and sex her up."
Guy 1: "What the hell man, what the hell?!"
Guy 2: "You know its true!"