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1.
A man who has an exceptional lover of redhead females. Usually but not always dating redheaded women exclusively. Scarlet Lovers are also apt to performing random acts of kindness to redheaded female strangers and prone to complimenting redheads with a wide variety of words.
"Antonio Lopez is a scarlet lover!"

"No dude, he IS The Scarlet Lover."
by RFRS October 21, 2013