look up any word, like donkey punch:
 
1.
Dropping a load through an open sunroof of a car.
Hey, you better close your sunroof. I heard they like paratroopin in this neighborhood.
by briansuda October 26, 2005
 
2.
the art of shitting on people from a great height, causing mass brain damage when it hits them
Did you hear about nigel? he was a paratroopin victim
by Protocol85 November 08, 2008