1 definition by andytheicon
the act of placing one's face between a woman's breasts and quickly shaking your head in a "no" like gesture left to right while emulating the sound of a motorboat.
friend A: "friend B, i haven't seen you in ages"!
friend B: "friend A you old motorboating son-of-a-bitch! how are you doing"?
friend B: "friend A you old motorboating son-of-a-bitch! how are you doing"?
by andytheicon April 20, 2009