choke off

Verb	1.	choke off - suppress; "He choked down his rage" Synonyms: choke back, choke down
	2.	choke off - become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up" Synonyms: clog, clog up, congest, foul, back up, choke

back up, block, choke, choke up, clog, clog up, close up, congest, crap up, foul, gum up, impede, jam, lug, obstruct, obturate, occlude, silt, silt up, stuff