Related Clues:

• A hot enough thing to swear at
• You'd swear that that's a hot mixture
• you'd swear this was a hot mixture
• You'd swear this was a hot one
• You'd swear this could be a hot one
• You'd swear that's a hot one
• "Drat!" is a mild one
• Promise nothing at this hour
• Courtroom declaration
• 'I do solemnly swear ... ,' e.g
• Inaugural ritual
• Court recitation
• Boy Scouts take it
• Hand-on-the-Bible utterance
• Sacred vow