When a dog or cat sits and drags its rear end with its front legs to either scrape off feces or relieve their impacted anal glands. see also boot scoot
We all laughed at Fluffy's motor boating but Steve was not so happy when it left streaks on his carpet.
The act of making an engine noise when sticking your face in a woman's BOOBS.
Michael: Did you hear what John did last night?
Buck: Yeah, I heard he was motor-boating that hot piece of ass.
Michael: Yeah, sick she was UGLY.
Buck: But it wasn't down there, it was up top.
It means the activity of putting one's face between a woman's breasts, and rocking turning one's head rapidly from side to side while making a noise like a motorboat.
"Motor-boating her tits and go bblbblbbl bbl bbl..."
Like motor boating but to a nut sack. When a man puts their lips and places then in between two testicles and blows with tight lips soaked in saliva while shaking their head back and forth in a quick-like motion. The effect is the sound somewhat similar to a motor boat.
Mike: check out that nut-meal.
Aaron: motor broating that all morning long and probably late into the night sounds like fun. If my lips are a boat then I have a full tank of gas.
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.