A moustache that is thin, patchy and/or very ugly that makes the bearer of said moustache look like a mug
Teen 1: Look man I think I'm getting a moustache!
Teen 2: It looks shit, you definitely have a mug-tache
by Tom691738 July 18, 2018
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Crikey Clive, you need the number to my barber, that’s a right Beefer tache
by Raclettuce December 15, 2022
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