snarl up

== English == === Verb === snarl up (third-person singular simple present snarls up, present participle snarling up, simple past and past participle snarled up) (transitive) to entangle (intransitive) To become tangled; to become entangled (transitive) To block (traffic); to cause (traffic) to be congested. (intransitive, of traffic) to become congested. (transitive) To put into disarray; contort; confuse; muddle up