Related Clues:

• See 37-Down
• Look at flirtatiously
• Emulate Groucho Marx
• Lascivious look
• Eyeball
• It may be blank
• See 48-Across
• Unpleasant look
• Groucho's expression
• It may be vacant
• Playboy's gaze
• Furtive look
• Lustful look
• Look longingly at
• Look lustfully