v. & n. sl.
v.tr. (walloped, walloping) 1 a thrash; beat. b hit hard. 2 (as walloping adj.) big; strapping; thumping (a walloping profit).
n. 1 a heavy blow; a thump. 2 Brit. beer or any alcoholic drink. walloping n.
[ earlier senses 'gallop', 'boil', f. ONF (walop n. f.) waloper, OF galoper: cf. GALLOP ]