1. Mix between a friend and an enemy.
2. A person who ain't your friend but ain't your enemy either.
3. Complete stranger.
"Are you my friend, enemy or mmy frinemy?"
"Who's your biggest frinemy?"
by Nanda September 11, 2004
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A fake person that acts like your friend but will turn into your enemy at any random time
I'm not dealing with that idiot chunkdaddy he's a frinemy no time to deal with loosers
by Haggard toreback January 17, 2023
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