choke off v 1: suppress; "He choked down his rage" [syn: {choke off}, {choke down}, {choke back}] 2: become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up" [syn: {clog}, {choke off}, {clog up}, {back up}, {congest}, {choke}, {foul}] [ant: {unclog}]