1) Checked free speech 2) Choked 3) Cracked unspeakable jokes 4) Dance-pop EPs 5) Like a hostage 6) Muzzled 7) Prevented from speaking 8) Prevented from speaking out 9) Put a muzzle on 10) Reacted to a tongue depressor 11) Retched or choked 12) Tongue-tied Found on https://www.crosswordclues.com/clue/gagged