Wallop \Wal"lop\, v. i. [imp. & p. p. {Walloped}; p. pr. & vb. n. {Walloping}.] [Probably fr. AS. weallan to spring up, to boil or bubble. [root]147. See {Well}, n. & v. i.] 1. To boil with a continued bubbling or heaving and rolling, with noise. [Prov. Eng.] --Brockett. 2. To move in a rolling, cumbersome manner; to waddle. [Prov. Eng.] --Halliwell. 3. To be slatternly. [Prov. Eng.] --Halliwell.