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1 definition by Janet Smithsonian

 
1.
A creature of eternal beauty and grace, rarely seen in modern times. Sometimes outshined by personality and wit, Sethanys are extremely popular. People flock to them. Be warned, however that harming one she considers her "flock" will result in the offender wishing he or she was never born. Sethanys never forget.
If you harm a child or a disabled person, or worse a disabled child, I may go Sethany on your ass.
by Janet Smithsonian February 03, 2010