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7. Motorboat
The act of putting one's face between a voluptuous pair of breasts while making a vibrating noise with one's lips and shaking one's head back and forth between breasts, simulating the sound a motorized boat would make upon water.
That chick's boobs are totally motorboatable.
motorboat videos
1. motorboat
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.
Wouldn't you love to see Meatloaf motorboat Barbara Bush?
by Bill ewall Mar 26, 2004 add a video
2. motorboat
To submerge ones face in large breasts and moving your head back and forth, flapping your lips, in turn making a motorboat sound.
I just motorboated Marygrace, I almost suffocated in those funbags but it was superb.
3. motorboat
An engine propelled seafaring vehicle.
What a nice day for motorboating.
4. motorboat
A male or female who places their head between a female's breasts and shakes back and forth while humming, producing a sound similar to a motorboat in water.
Since she wouldn't give oral sex to me, I motorboate her instead.
5. motorboat
( . )BPBPBPBPBP( . )
The sound of the motorboat between a nice rack! Motorboat
6. motorboat
the act of placing one's face between a woman's breasts and quickly shaking your head in a "no" like gesture left to right while emulating the sound of a motorboat.
friend A: "friend B, i haven't seen you in ages"!
friend B: "friend A you old motorboating son-of-a-bitch! how are you doing"?
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