Derived from the popular internet alternative to mate(m8). Meaning matey as in a peer or friend. Can also be used to be condescending.mainly used in texts
guy1: m8 where are you ?
guy2: m8t I'm stuck in traffic

Internet troll: you're dumb

Internet user: m8t stfu
by Just_a_simp July 18, 2015
Get the M8t mug.