in the act of a
threesome when a man lays down and jacks off while two women make out
right above his dick. When the
time "cums", it will shoot upward and hit both of them while they make out.
Greg: Dude, I had my first threesome last night. It was sick.
Joe: Nice man, I'm proud. How'd you finish?
Greg: Did a fountain of youth.
Joe: Word.