Top definition
someone who is really good at hacking, or someone who you say is hacking so you have an excuse for losing.
person 1: "Wat a friggin haxsaur"
person 2: "Im on the same xbox as you, how am i hacking"
person 1: "shut up haxy mc haxsaur"
by Al Denso May 27, 2005
Get the mug
Get a haxsaur mug for your daughter Julia.