Possible Clues:

• Excessively craving grass after good year
• Gluttonous Greek eyed nervously
• Grabbing grass under golf trolley's bottom
• Good and thin — too hungry?
• Like one who can never get enough
• In harmony, lacking a yen to be avaricious
• Voracious? Gorge, feed? Aye, regularly
• Ravenous guy, empty, wolfs venison that's turned
• Acquisitive editor printed in paler black?
• Climbing in Norway, deer graze with voracity