A seacraft that operations using an engine. They're either inboars or outboard installed on the rear that spins are propeller that goes WHHEEEE.
by Nguyen the knowledgeable. January 21, 2018
 Get the Motorboatmug.
Get the Motorboatmug. v. int. The act of pushing one's face in between two ample breasts, and rocking one's head side to side very rapidly while making a vigorous, lip-vibrating "brrr" sound.
n. The sound produced when doing a motorboat.
n. The sound produced when doing a motorboat.
by Bill ewall March 26, 2004
 Get the motorboatmug.
Get the motorboatmug. A person, generally female, who you would love perfrom motorboat on.  She possesses cleavage that is astounding, and absolutely breathtaking to the human eye.
by Taquan April 27, 2008
 Get the Motorboatablemug.
Get the Motorboatablemug. by Nick Beno July 12, 2006
 Get the The Motorboatmug.
Get the The Motorboatmug. 1. able to be motorboated. 2. the appearance of a womans breasts of being highly worthy of the act of motorboating, which is to dive in and indulge in a womans breasts with furous glee all the while making noises similar to that of a motorboat. also see motorboat (v.) and motorboating(v.)
by wterasta March 10, 2010
 Get the motorboatablemug.
Get the motorboatablemug. To submerge ones face in large breasts and moving your head back and forth, flapping your lips, in turn making a motorboat sound.
by Urban Dictionary November 26, 2006
 Get the motorboatmug.
Get the motorboatmug. by michellebigboobs December 8, 2010
 Get the motorboatablemug.
Get the motorboatablemug.