A variation on the classic motorboat technique (see below) normally applied to breasts, the Larsen Outboard is instead applied to butt cheeks.

Motorboat: 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.
Moosy (Larsen) asked Steady to cook him a cheeseburger.

Steady replied, "Sure, right after you finish motorboating my butt cheeks."

A loyal friend and hungry for a cheeseburger, Moosy obliged him with a Larsen Outboard.
by zhakespeare March 15, 2010
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likes men, but is very butch. has a nice brie,and is kinky
ohh thats so jack larsen
by brie park January 19, 2008
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Mr. Larsen is a kind, fun, and understanding teacher. he gives you plenty of time to finish assignments and tries to make his classes fun. he understands if you missed a few days and gives you time to make up work. he rarely gets mad or yells and if he does it's about something serious. you are lucky if you have Mr. Larsen as a teacher.
Simon: who do you have for home room this year?
Bella: Mr. Larsen..
Simon: OMG you are sooo lucky!!
by M&M137 May 31, 2022
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A nignog from denmark that likes the Beatles, pink Floyd, and dank memes likes to do hash with frederik and has the fluffy beard that makes all the ladys wet af
That guy is such a lasse larsen
by ThE FiEnD April 10, 2016
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A not so great kid who likes Joe's mom.
colby larsen is my best friend. it's opposite day.
by anon January 26, 2005
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Larsen E. Whipsnade...

Name of main character in "You Can't Cheat An Honest Man", played by W.C. Fields.
Say the first name and middle initial quickly together, and you get the idea of the character. In the film, Larsen E. Whipsnade runs a circus, into the ground, and two steps ahead of the law. Whipsnade is one of many of Fields' character names, such as Cuthbert J. Twillie, Egbert Souse, Mahatma Kane Jeeves and Wolffinger J. Uncoupler.
by Dan Jensen October 12, 2007
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