clog up

v : become or cause to become obstructed; "The leaves clog our

drains in the Fall"; "The water pipe is backed up" [syn:

{clog}, {choke off}, {back up}, {congest}, {choke}, {foul}]

[ant: {unclog}]

blow up

1. Of a scientific computation: to become unstable. It

suggests that the computation is diverging so rapidly that it

will soon overflow or at least go {nonlinear}.

2. {blow out}.

[{Jargon File}]