snarl

A tangled mass, as of hair or yarn.

A confused, complicated, or tangled situation.

To become tangled or confused.

To tangle or knot (hair, for example).

To confuse or complicate.

To growl viciously while baring the teeth.

To speak angrily or threateningly.

To utter with anger or hostility.

A vicious growl.

A vicious, hostile utterance.