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2 definitions by jjstl

 
1.
Motorboating a girls ass.
That girls ass was so round and fat that I was flapjacking that shit all night long!!
by jjstl April 27, 2010
18 4
 
2.
Motorboating (or flapjacking) a girls ass after she poops!
I had to hose down after mudflapping that fat girls ass last night!
by jjstl April 27, 2010
5 0