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white substance, similar in appearance to cocaine, but used to replace milk when going on forgein ventures
Dad: "thats coffee mate"

Customs Officer: "Im not your fucking mate"

See also peter kay
by PaulandLucy April 21, 2004
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When you are making a man/woman a hot beverage (coffee) and realise there is no milk.

You grip your penis and pump into the beverage until you ejaculate... don't forget to stir!
Jack: hey Katie, we had no milk so I gave you some coffee mate instead.
by Daggatron January 16, 2017
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