One who is easily cheated; a tool; a simpleton; a gull.
2.
A trick; sham; imposition.
3.
A swindler.
verb
Chouse v. t. (past & past part. choused; pres. part. chousing) To cheat, trick, defraud; followed by of, or out of; as, to chouse one out of his money. (Colloq.) "The undertaker of the afore-cited poesy hath choused your highness."
... get der measels und der mumbs, Und eferyding dot's oudt; He sbills mine glass of lager-bier, Foots schnuff indo mine kraut; He fills mine pipe mit Limburg cheese— Dot vas der roughest chouse; I'd dake dot vrom no oder poy But ... — Successful Recitations • Various
... and locking it into a cupboard while Toft replaced the broken glass. This done, under her unflagging supervision, the model was replaced; fourpence changed hands, and the glazier went his way, saying, as he made his exit:—"That was a chouse, mistress." ... — When Ghost Meets Ghost • William Frend De Morgan