mullered UK /ˈmʊləd/US /ˈmʊləɹd/ adjective4 •(UK, slang) Badly damaged or completely destroyed; ruined, trashed, wrecked.My car isn’t driveable at the moment: the clutch is totally mullered. •(UK, slang) Drunk, inebriated.Every Friday night we would go out and get completely mullered. •(UK, slang) Of a sportsperson, a team, etc.: utterly defeated or outplayed; destroyed, thrashed, trounced.The papers were saying we were going to get mullered in the scrum. That's when the confidence started to grow. If they believe that, then that's good for us. — 2010 •(Scotland, no longer used) Synonym of mouldered (“turned to dust; crumbled, decayed, rotted”). formsmore mullered · most mullered