1. used to represent the sound of a sneeze
Usage: informal; onomatopoeia

Examples

• Kerchoo! I think I’m catching a cold.
• The cartoon character went ‘kerchoo’ and blew his hat off.
• She covered her mouth and said ‘kerchoo’ loudly.
• Kerchoo! Excuse me, I must be allergic to something.
• The sound effects in the comic book showed ‘kerchoo’ in a speech bubble.