Related Clues:

• Oft-blessed outburst
• Sound before a big blow?
• Sound heard before a big blow?
• Sneezy sound
• "Gesundheit!" trigger
• Sound you can't make in your sleep
• Sound of sternutation
• Sound from someone with some tickly boogers
• "Bless you" prompter
• "Bless you!" trigger
• ''Elmo Says __!'' (book that rhymes ''gift'' with ''sniffed'')
• Sound of an everyday explosion
• Blessing's antecedent, often
• Potential reaction to a cat
• It might prompt a "Gesundheit!"