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The Jack Daniels Rim Runner is when one person grabs a bottle of Jack Daniels and pours it all over another person's butt. Then they go crazy and lick the mess like it's the last piece of cake.
My uncle did this at my cousin's wedding and got kicked out.
I saw it on TikTok and now I can't stop laughing.
My friend's boyfriend did it at a party and it was the worst thing ever.