Related Clues:

• Like many posters?: Abbr
• Message board rando
• Unnamed author: Abbr
• "We don't know who wrote this" abbreviation
• Abbr. in quote books
• In a sec, quaintly
• Soon to receive a no from the French
• Source of "I walk around like everything's fine, but deep down, inside my shoe, my sock is sliding off": Abbr