Related Clues:

• Lay on thick
• Go to extremes
• Make stale, in a way
• Indulge to excess
• Gild the lily, e.g.
• Try too hard
• Burn, say
• Carry to extremes
• Exert to excess
• Not practice moderation
• Go too far (with "it")
• Turn into a chestnut
• Muscle ache cause
• Make trite
• Cook too long, be excessive