WHOMP N. AMER. Meaning of WHOMP N. AMER. in English whomp N. Amer. [ wɒmp ]informal■ verb1》 strike heavily; thump. 2》 ( whomp something up ) produce something quickly. ■ noun a thump.Origin1920s: imitative. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004