Related Clues:

• Without any pizazz
• With tongue in cheek
• With irony
• Deadpan
• Sans spice
• How deadpan jokes are delivered
• In a sardonic way
• In a dull way
• In a boring way
• In a matter-of-fact way
• In a humorless manner
• Sans pizazz
• Without pizzazz
• Matter-of-factly
• As Mencken might