Possible Clues:

• Completed more than once? That's too much
• Excessive work penned by old writer
• It's not rare to find this more than 501 (8)
• Exaggerated; burnt (meat)
• Exaggerated - far from rare
• Being more than five hundred and one, it's not at all 25 down, perhaps
• It's not so rare to make it more than five hundred and one
• It's not so rare to get more than 501 from this
• When it's more than 501 it has no 25 down, perhaps
• A bit much