Possible Clues:

• 'R u for real?'
• "R u for real?"
• "4 real?!"
• '4 real?!?'
• 'ur joking, right?!'
• 'omg 4 real?'
• "But rly tho??"
• "4 realz?!"
• "4 real"
• 'For realz' [the American Values Club puzzle is at avxwords.com]