v. int. The act of pushing one's face in between two ample ass hams, pressing nose firmly against the balloon knot and rocking one's head side to side very rapidly while making a vigorous, lip-vibrating "brrr" sound.
Look at the hot pants on that bitch, I would love to motorbot that fat ass.
by Rumor Room June 28, 2017
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The action wherein a female motorboats herself.
Me: Steph, did you just motorboat yourself?
Steph: Yes, I'm a big proponent of self-motorbotion.
Me: Nice!
by albe November 9, 2007
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