clog up

1 definition found

clog up - WordNet (r) 2.1 (2005) :

  clog up
      v 1: 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]