From Wiktionary, the free dictionary
secksy
- (Internet slang, humorous) Misspelling of sexy.
2010, Martin Grondin, LOLcat Bible, Genesis 7:3, page 21:A littul advise: it probubly a gud idea to keep ‘em seperit so teh moo-cows don’t haev an episoed ov secksy tiem until joo get der.