To weep, especially in such a manner as to swell the cheeks or disfigure the face; burst into a fit of weeping: used chiefly in sarcasm or ridicule.To bubble; foam.To disfigure with weeping.n. A bubble.n. The fat of whales and other cetaceans, from which train-oil is obtained.n. A gelatinous substance; hence, an acaleph or sea-nettle; a medusa.n. [⟨ blubber, v.] The act or state of blubbering: as, to be in a blubber.n. One who blubs.