(someone's) claim to fame

a reason for a person or place to be well known or famous.

The town's main claim to fame is that the President was born here.

His only claim to fame is that he nearly met Princess Diana. (humorous)

• the minute back is turned
• the minute someone's back is turned
• the minute that
• the missionary position
• the moment of truth
• the more one thing happens the more
• the more one thing happens the more another thing happens
• the more the merrier
• the more the merrier.
• the more the more
• the more the more another thing happens
• the morning after
• the morning after the night before
• the mother from hell
• the mother of all
• the mother of all something
• the mot juste
• the movers and shakers
• the moving spirit
• then again
• the name of the game
• then and there
• the nature of the beast
• the new kid on the block
• the next rung on the ladder