Related Clues:

• Hot track
• Complicate
• Copier clog
• Problem fixable with a comb
• Hog
• Become entangled
• Bases loaded situation, for the pitcher
• Warning from a doghouse
• Ad-lib, musically
• Become tangled
• Preserves, perhaps
• Sound surly
• Show one's teeth
• Sandwich filler, sometimes
• Act surly