Found 2 items, similar to gum up.
English → English (WordNet)
Definition: gum up
gum up
v : stick together as if with gum;
“the inside of the pipe has
gummed up”
English → English (gcide)
Definition: gum up
Gum
\Gum\, v. t. [imp. & p. p.
Gummed (g[u^]md); p. pr. & vb.
n.
Gumming.]
1. To smear with gum; to close with gum; to unite or stiffen
by gum or a gumlike substance; to make sticky with a
gumlike substance.
[1913 Webster]
He frets like a gummed velvet. --Shak.
[1913 Webster]
2. To chew with the gums, rather than with the teeth.
[PJC]
gum up
(a) To block or clog (a conduit) with or as if with gum;
as, to gum up the drainpipe.
(b) to interfere with; to spoil. [Slang]
[PJC]