by Tay Tay Sauce  October 27, 2018
 Get the Motorboatationmug.
Get the Motorboatationmug. a motorboat involves a girl with breasts large enough for a human head to fit between them. The owner of the head then proceeds to blow out of their mouth vibrating their lips. This action will make a sound very similar to a motorboat engine, hence the name.
by houseboyt July 19, 2010
 Get the motorboatmug.
Get the motorboatmug. by ale x January 15, 2006
 Get the Motorboatmug.
Get the Motorboatmug. by Bb dre November 19, 2019
 Get the Motorboatmug.
Get the Motorboatmug. by Ackack  August 10, 2019
 Get the Motorboatmug.
Get the Motorboatmug. While performing oral sex on a girl, flap your lips together on her  clit, thus imitating the sound of a motorboat. She'll love you forever.
by womanizer June 18, 2006
 Get the motorboatmug.
Get the motorboatmug. While performing oral sex on a girl, flap your lips together on her clit, thus imitating the sound of a motorboat. She'll love you forever.
by istef July 6, 2008
 Get the Motorboatmug.
Get the Motorboatmug.