gumph noun 3verb 2forms 3 noun3 •(slang) Nonsense.Things had not been going will with Pino ever since he started to take Sister Apollonia’s bloated gumph as gospel. Thanks to the wacko, his man was actually getting a Christ complex. — 1998 •A foolish person; a gump.Gump, a numscull. — 1825 •Gumption; grit.Never lifted a hand to defend himself, hadn’t got any gumph. — 1923 verb2 •To grope, especially after fish. •To catch fish by groping. formsgumphed · gumphing · gumphs