v.int. The act of a woman forcing a person's head between the cleavage of her massive bosoms.Causing the face to be smothered and smooshed by her boobs, then she shakes her breasts creating disorientation.
My nose is broken from motorboating Kelly G.
By AsianValentine
when you rub your head against a female's breasts. also known as a raspberry, a mr. Ed, a cleavage choke, checking the twins, and a scooby-doo.
That chick gave me a motorboat.
By HOTT_CARL
When you go up to a girl and stick your head in there tits and go burrrrrr, than move your head side to side
Kid: hey mom can I motorboat you Mom:go talk to your sister Bro1: yo last night I went to my girlfriend's house and she let me motorboat her
By Take a sip of the drink
specifically for brass players in an orchestra: When they don't use enough air and a motorboat like sound comes out
guy 1: "yo dawg why do always motorboat in high d?"
By hornydogsforfrench
Placing face in boobs or fat roll and shake ur face
Hey Marshall let me motorboat ur fat roll
By Lil downy