Response to a sudden chill

• Cold sound?
• Cold burst?
• 'Bless you!' preceder
• Sound preceding "Gesundheit!"
• Sound accompanying a certain spasm
• Sound heard before "Gesundheit!"
• Response to getting one's dander up?
• "Bless you!" prompter
• "Gesundheit!" trigger

Wiktionary Word definitions in Wiktionary
interj. (context onomatopoeia English) The sound of a sneeze. n. The sound of a sneeze.