Top Definition
A variation of motorboating / submarining; placing the head ass-to-face, motorboating the butt cheeks while being defecated on, urinated on, or farted on.
"LMFAO you can't be serious? A Dirty Jetski? HAHAHAAA that's sooo fkn gross.."
by aliaz May 14, 2010

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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