Definition of mullers:
(n) :
One who, or that which, mulls.
(n) :
A person who mulls wine or other alcoholic beverages.
(n) :
A vessel in which wine, etc., is mulled over a fire.
(n) :
(chiefly art, pharmacy) A stone with a flat grinding surface, which is held in the hand and rubbed on a slab to grind paint pigments, medicinal powders, etc.
(n) :
(by extension) A device used for crushing or grinding.
(v) :
(often sports) To utterly defeat or outplay (a sportsperson, a team, etc.); to destroy, to thrash, to trounce.