Related Clues:

• Result of a punch, maybe
• Turn black and blue
• Collide
• Phrenologist's interest
• Displace, as from a flight
• Word after speed or baby
• Uptick
• A log may have one
• Ecdysiast's move
• Fist ___ (modern greeting)
• Sign of a big hit
• Road flaw
• Discolored injury
• Result of bonking one’s head
• Mark left by blow