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When two people in a relationship promise each other that one day in the future, one of them will formally propose and the other will accept.

Usually made when a couple are young and the man cant afford to buy a nice expensive shiny ring for his deserving girlfriend
Guy: "Baby I promise that ill get you that ring and im going to ask for your hand in marriage!"

Girl: *Gasp* "And we'll live happily ever after!"

Guy: "This is a serious pre engagement! You better not be humoring me!"
by awsomecoolguy69 July 12, 2008
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