lardassPronunciation: /ˈlɑːdɑːs, ˈlɑːdas/Definition of lardass noun North American informal, derogatory a fat person, especially one with large buttocks: a sorry beer-swilling lardass of a father [as modifier]:the lardass guard was right about what he had donelardass in other Oxford dictionaries Definition of lardass in the US English dictionary