When a male ejaculates so vigorously you can count the number of seconds the cum stays in the air before hitting a surface giving it the appearance of a rocket.
by Helmbros June 03, 2014
A male who, if home alone, will stay in the bathroom and masturbate for an extended duration of time.
"Dude your parents were gone yesterday! did you get shit faced?" "No Celeb Jihad uploaded new videos and I pulled a happy famper."
by Helmbros June 03, 2014