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1. motor boat
to bury ones face in some giant jugs and shake your face back and fourth while blowing out, and making a hubababa sound.
Man look at that rack!
yeah i'd motor boat them jugs all night long!
2. motor boat
The act of sticking your face between a pair of ones breasts and shaking your head violently while making noices that resemble a moter boat.
Hey Jason, I heard you gave that girl a motor boat last night, you motor boatin son of a bitch!!
3. motor boat
When you blow a raspberry in between a girls tits, making a motor boat sound
Carol was so drunk the other night, I gave her a motor boat when she showed her tits
by D Jan 31, 2005 add a video
4. Motor Boat
This is when you place you face straight into a females cleavage/breast and do a lip trill making the sound of a motor boat and shaking your head from side to side.

It usually tickles.
"Motor Boat me baby!"

Charlie smiled as he quickly shoved his face into the big breast and made a motor boat sound shaking his head.
5. Motor Boat
To place one's face between another's breasts while moving one's head in a side-to-side motion.
Timmy motor boated his girlfriend and she dumped him.
6. motor boat
Sex in the tub, and it's good and fast with a nice wake.
Nothing like a good motor boat, just be prepared to clean up the water on the floor as the wake can created a bit of a mess.
7. Motor boat
Audio that stops decoding correctly and gets stuck on a repetitive, 'motor boat' type sound.
The audio is motor boating, stopped us realising the stream had stopped working.
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