"you fuckin mug "you treating me like a mug m8, u can fuck rite off" "you mugging me off in front of my pals" - beat line in football factory"
describes person who is stupid, or being treated like they stupid  mugging off - to take the piss out of someone
""you fuckin mug "you treating me like a mug m8, u can fuck rite off" "you mugging me off in front of my pals" - beat line in football factory"" What is the definition of "mug"?