Related Clues:

• Maxwell Smart, for one
• Word with after or through
• Neither raise nor fold
• Watch covertly
• Grasp the concept
• Call at poker
• Twinge
• Get the picture
• Snoop (on)
• Match the bet
• Blemish
• ''What did I tell you?''
• Spot visually
• Laundry challenge
• Microfilmer, maybe