Related Clues:

• Last one's come before you're late (5)
• Gee, those snakes! Makes one quite breathless
• Pants you can't wear
• Struggles to breathe
• Fun-house sounds
• Possible results of raptness
• Abrupt inhalations
• Stares in disbelief
• Stares openmouthed
• Running pants?
• Startled reactions
• Stares in amazement
• Amazed reactions
• Big breaths
• In which air's sucked in quietly? Yes and no