"The highest form of literature," per Hitchcock

• What crossword clues with question marks often are
• Several are in this puzzle
• Verbal groaners
• Word plays
• The lowest form of humor, it's said
• Many Groucho Marx quips
• Cerf specialties
• Evokers of groans
• Plays on words

Wikipedia Word definitions in Wikipedia
Puns may refer to: Partido de Unión Nacional Saharaui , a former Sahrawi political party Pun , figure of speech Phoenicians