Related Clues:

• Aerodynamics challenge
• Heroin, for one
• Morphine or codeine, e.g.
• Strip for racing
• Religion, to Marx
• Short, fast race
• Religion, to the masses, per Marx
• What some performers lip-sync in
• Deadening agent
• What might be a knockout?
• Pull, caveman-style
• A sedative drug
• A poet I become on this drug
• It induces sleep
• Preparation made from poppy derivative