old mate 

Old Mate can be used to isolate a single individual out of a returned servicemen's earlybird dinner special at the local.

Oy old mate, You. Me. Outside the R-ey. Right Now.

old mate by Art Vandalay November 23, 2003

Old Mate 

The example of a person your teacher uses.

So, imagine me and my friend, lets just call him "Old Mate".

Old Mate by Brother-Fudger August 4, 2019

Old mate 

Old mate is a male drug dealer

I wanted to score drugs so I went and saw my old mate

Old mate by Busky01 June 26, 2020

Old mate 

A politically correct way of referring to “that dirty old bastard”, ie. a third person, usually a creepy chap, sitting a few barstools away from you and your group at your local pub.

There we were after work at the pub playing pool, when old mate, decides to pull the smooth moves on my mates missus!
That dirty old bastard! He can have her mate...

Old mate by Joj012c December 31, 2019

Old matey 

Chiefly used in England. Term refers and identifies someone you don’t know, and that you don’t know the name of. Not derogatory or offensive.

“Do you remember in the club last night when old matey jogged your arm and made you spill your pint?”

Old matey by PedroFromDangermouse December 15, 2022