gom exclamation 1noun 1forms 1 exclamation1 •(euphemistic, no longer used) God!There's a Lad, too, from York— but tho' he's a strange elf, / By gom! I respect him as much as myself, — 1804 noun1 •(Ireland) A foolish person.“ Ye don’t how how to dhrive a mothor car ! ” shouted Miles, losing his temper completely. “ What a gom ye are ! ” — 1917 formsgoms