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A muck ring is the ring of shit that forms around a penis during anal sex. A Felcher is one who felches. Therefore an MRLF is someone that felches and licks the muck ring off of penises
He's an Muck Ring Licking Felcher (MRLF)
by torrK August 19, 2008

Words related to Muck Ring Licking Felcher (MRLF)

felch felcher gay muck ring sodomy