colloq. or jocular. [f. WALLOP v. + -ER1.]
1. a. One who thrashes. b. Anything with which one administers a thrashing; a stick.
1832. Barrington, Personal Sk., III. xviii. 256. Armed with his walloper (as they called their cudgel).
2. dial. Anything strikingly large or big; a thumper, whopper; e.g., an astounding lie. (See Eng. Dial. Dict.)
3. As second element in compounds. Codwalloper, a cod-fishing vessel (Cent. Dict.); dock-walloper, see DOCK sb.3 7. Also POTWALLOPER.