The placement of one's face, specifically the mouth, between the ass-cheeks of another person, followed by a rapid shaking of the face in a side-to-side motion accompanied by yelling. The resulting sound that is created sounds similar to an outboard boat motor.
-I'm into some pretty weird stuff, but mud boating isn't one of them.
-Cane: I'm going to get intimate with your sister...
Josh: After you mud boat me mother fucker!!
-She so fine, I'd mud boat the shit outta that bitch!
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Similar to the act of motor-boating, except your face is in her ass.
Your mom and I were watching the History Channel last night and we got heated and I ended up U-boating her ass!
Brbbbbbrrrrbbbbbbbrr....
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When you motor boat two girls tits at the same time at high speed.
"Dude, I was totally Speed-Boating Jess and Steph at that party last night."
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A chick that you fuck on a boat that you own and you fuck her on the boat exclusively in whatever city the boat is slipped.
J: "So it this chick a city chick or a boat fuck?"
T: "She's just one of my boat fucks."
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When you shit in a girl's vag while wearing a sailors hat whilst butt naked
Joe:Did you hook up with that girl last night?
Alex:Yeah I definitely pulled out the sailor hat and beef boat'ed her
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A person with an enormous chin. Originates from the saxon phrase "Botineus Chinarmus", meaning "Viking ship on bottom of face"
Dude if this ship is going down i ama grabbing hold of her boat chin!
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Slang term for female masturbation. Male equivalent is beat your meat.
Melissa: Cathy, what the fuck are you doing here?
Cathy: Uh, I was just uh...uh... rowing the boat, if you know what I mean...
Melissa: Gross!
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