fub /fʌb/verb 2noun 1forms 3 verb2 •(no longer used) To put off by trickery; to cheat. •(no longer used) To steal. noun1 •(no longer used) A plump young person or child.'Tis he that I told you is to marry my Indian Fubs of a Sister. — 1685 formsfubbed · fubbing · fubs