snarl

Short definition from Wiktionary

Verb

1. 1
   To entangle; to complicate; to involve in knots.
2. 2
   To become entangled.
3. 3
   To place in an embarrassing situation; to ensnare; to make overly complicated.
4. 4
   To be congested in traffic, or to make traffic congested.
5. 5
   To form raised work upon the outer surface of (thin metal ware) by the repercussion of a snarling iron upon the inner surface; to repoussé
6. 6
   To growl angrily by gnashing or baring the teeth; to gnarl; to utter grumbling sounds.
7. 7
   To complain angrily; to utter growlingly.
8. 8
   To speak crossly; to talk in rude, surly terms.

Noun

1. 1
   A knot or complication of hair, thread, or the like, difficult to disentangle.
2. 2
   An intricate complication; a problematic difficulty; a knotty or tangled situation.
3. 3
   A slow-moving traffic jam.
4. 4
   The act of snarling; a growl; a surly or peevish expression; an angry contention.
5. 5
   A growl, for example that of an angry or surly dog, or similar; grumbling sounds.
6. 6
   A squabble.