1. gumph - Noun
2. gumph - Verb
A foolish person; a gump.
(uncountable, slang) Nonsense.
gumph (uncountable)
(uncountable) Gumption; grit.
(intransitive) To grope, especially after fish.
(transitive, used with out) To catch fish by groping.
Source: en.wiktionary.org