Possible Clues:

• Interjection
• Bor-r-r-r-ing
• Expression of a yawn or indication of boredom
• Announcement of resignation making house bustle
• Express surprise at end of March with hesitation that is so boring
• Snooze-inducing
• Exclamation denoting boredom
• Routine Groucho humorously displays
• 'What a snoozefest'
• Boring; average