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A friend that is equal to or older than your parents
The grand friends had to go home early, they can't hang as long as the rest of us.
by Uncle Ritzie April 11, 2015
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When you are dating someone old enough to be your father/mother/grandfather/grandmother.

- because BOYfriend and GIRLfriend are clearly unsuitable.
"I am hanging out at my grandfriend's house"

"What are you doing today? Accompanying my grandfriend to the social security office"
by JackWest August 13, 2018
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