"Boy, is it hot!"

• “Man, is it hot!”
• Phil's number one cut - that was close!
• "Close one!"
• That's a relief!
• I'm relieved only a small number reported?
• Sound of relief
• Sound in a heat wave
• "That wasn't easy at all!"
• "Thank goodness!"

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
vocalic gesture expressing weariness, etc., attested from c.1600.