When you fall asleep while jerking off. Can be done in a car, on the toilet, in front of a GoPro camera, skydiving or at the movies seating behind your ex-girlfriend.
Guy 1: God.. Trump's seminar was so boring in the
conference room today, I couldn't help but
glue my eyelids open.
Guy 2: Did you see the new senator? He was
practically in the back taking a Fapper Napper.