Possible Clues:

• Unit of wordplay
• What the French call ''game of words''
• Crossword clue that might end with a question mark
• "Doing a crossword with a broken pencil is pointless," for example
• “The GOP Has a Koch Problem,” e.g
• Humorous wordplay
• So-called 'lowest form of humor'
• Cause of some wincing
• Bit of word play
• ''Queen of denial,'' e.g.