1) Became knotted 2) Gave the mailman fair warning 3) Growled 4) Growled fiercely 5) Growled viciously 6) Growled vocal delivery 7) In a tangle 8) Knotted 9) Like bad traffic 10) Like gridlocked traffic 11) Like many a fishing line 12) Like rush hour traffic, often 13) Snarly 14) Sounded like a mad dog Found on https://www.crosswordclues.com/clue/snarled