motorboat

  1. Noun.  (nautical) Any vessel driven by an engine (either inboard or outboard), but especially a small one.
  2. Verb.  (informal) To place one's head between a woman's breasts and make the sound of a motorboat with one's lips whilst moving the head from side to side.

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This entry was last updated on RefTopia from its source on 3/20/2012.