Top Definition
A notably big, wide ass.
Jamison, "Dude you gonna ask Harmony out this summer?"
Nuñez, "She used to be fine, but shit no! You see the size of her gunboat?
by ProliferateSchultz November 12, 2006
3 more definitions
Exceptionally large feet.
A:"Dude what size shoe is that?"
A:"Yea, sounds about right, you got fuckin gunboats down there."
B:"You should see my cock."
by p2ryan August 03, 2008
Very muscular and slightly fatty man arms.
i got some gunboats on me dog.
by meecrob420 May 23, 2011
Well-formed female breasts.
"She has a nice set of gunboats".
by Dr. Ruth November 04, 2003

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