specifically for brass players in an orchestra: When they don't use enough air and a motorboat like sound comes out
by hornydogsforfrench December 28, 2019
A girl who has their funbags exposed to the world, so one may be able to "motorboat" her chesticles.
by iklepti April 25, 2008
To grab two huge handfuls of a womans breasts, while squeezing them together and performing a rapid left right lip flapping motion. no homo love you tito.
by J-Broom April 05, 2007
Orginally called a "vince vaughn", the motorboat is another name for a mix of Southern Comfort and Mountain Dew Code Red.
by heels November 15, 2006
by Capt. JJ February 17, 2004
by picc285 May 30, 2019
A cousin of both the motorboat and the cleveland steamer, this difficult maneuver can only be done by a true fecaphile. After releasing one's bowels onto a woman's chest the classic motorboat is performed to the delight of all involved.
After a violent shart onto Gertrudes chest Hector quickly spins around and they relish in a lovely chocolate motorboat.
by *samIam* January 04, 2008