Related Clues:

• Do a spit-take, say
• Blink, perhaps
• Blanch, say
• Lose one's poker face
• Gasp, e.g
• What Aly & AJ's "Chemicals" do
• "From galaxy to galaxy ___" Jurassic 5
• What shock rockers want you to do
• What musicians want you to do to emotional song
• Sneeze, say
• Not be inert, as two chemical compounds
• Jerk the knee, e.g
• Flinch or blink, e.g
• Concerning bill makes you rise up
• Undergo ion exchange, e.g