When a skitty (a 2 ft. tall cat-like pokemon) and a wailord (a 47 ft. tall whale pokemon) breed in a Pokemon Day-Care center and make a egg

Origins from the Gamefaqs's Ruby/Sapphire Board

also known as HSOWA
Joe: Did you just breed a wailord and a skitty?
Frank: HELL YEAH!!!!!
Joe:...I wonder how that works.............
Frank: WHO CARES, IT'S HOT SKITTY ON WAILORD ACTION
Joe: your a fag frank
by Concarious April 7, 2010
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A joke on Gamefaq's Pokemon Ruby/Sapphire Board.

It originated when one of the local trolls realized that one of the largest Pokemon (Wailord) could breed with one of the smallest (Skitty).
Your topic <<<<<HOT SKITTY ON WAILORD ACTION
by Fats McRobot September 2, 2004
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