Top Definition
A measurement of the time until a carton or bottle of milk will expire. Can be abbreviated to TMI. TMI is often used as a time frame for other events in life, it is an easy way to recognize that time has, is, and will continue to progress.
1) John said, "The Milk Index is high today, honey. No need to go to the supermarket."
2) As Melissa went to the fridge to get a pudding cup, Shaun yelled at her, "Hey Mel, check out TMI and tell me what you think we should throw it out!"
3) Two weeks before coming home from abroad, Michelle said, "I cant believe TMI is going to hit zero after I am back in the US!"
by The Milk Expert May 15, 2011

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