bantersaurus rex 

those who display an abundance of banterlicious banter
usually found in banterville

hey, have u seen that guy over there, hes a bantersaurus rex.

bantersaurus rex by lord chizzle of chizzleton February 14, 2009

Bantersaurus Rex 

Somebody, usually male, who has excellent/entertaining/hilarious anecdotes and conversation.

You should meet my mate Dave, he's a proper Bantersaurus Rex!

Bantersaurus Rex by Joeyt555 June 1, 2015