1) Clogged up 2) Clotted 3) Congested, choked 4) Danced with wooded shoes 5) In need of snaking 6) Like a drain needing Drano 7) Like rush-hour streets 8) Needing a plumber 9) Not running 10) Stopped up 11) Thick Found on https://www.crosswordclues.com/clue/clogged