The act of covering the bottom of your scrotum with nasty things like old moldy cheese and slamming it on a lady's face.
Guy 1: what happened with you and Sam last night?
Guy 2: she was being a bitch so i dirty flopped her in the eye.
Guy 2: she was being a bitch so i dirty flopped her in the eye.
by RedPandaLover October 23, 2013