Motorboating
The placement of one's face, specifically the mouth, into the area between a well-endowed woman's breasts, 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. --
http://www.urbandictionary.com/motorboating ‎(uncountable)
1. The act of travelling in a motorboat.
2' (slang) The act of placing one's head between a woman's breasts and making the sound of a motorboat with one's lips whilst moving the head from side to side. --
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