A straight
male's ability to forget the accidental witnessing of his friend's
junk, leaving a "scene missing" effect in the chronological progression of his
memory.
Jeniffer - I can't believe he just opened the bathroom door on you doing the helicopter dick. Did he see anything?
Paul -
Well, in those situations what a man's eyes see and his mind remembers are
two different things- it's tramatic dicknesia.