The act of receiving fellatio from someone without teeth or with dentures, of which have been removed
Hey Tilly, I just got a gummy shark from some old chick behind the shed.
by metropolis_ January 04, 2011
1 more definition
A species of shark found in the Ocean. Also Digby Schinkel, the word is a description of his lack of real teeth.
by hairless\ October 22, 2003