Definitions by sh123

gnash 

When you joke or take the piss out of somebody, and they respond in an attempt to defend themselves

Otherwise known as a "nibble" or "biting"

Seb: "Jamie you're a ginger twat"
Jamie: "Well you've got no mates"

In this instance, Jamie is gnashing to Seb's insult

Nibble Bite

gnash by sh123 January 22, 2017