Possible Clues:

• Excessive amount, as food
• More than enough (slang)
• Appetite satisfied? One's more than enough!
• All one can stomach
• Bread basket starts to fill up -- loaf makes excess
• Appetite satisfied? More than enough!
• Have had enough of someone full of beans perhaps
• Enough (and more than one can stomach!)
• Ringer to turn into mad fly — I can't take any more!
• Having more than enough of a corporation?