It's possible that:
* It's a misspelling: It might be a misspelling of a different word.
* It's a nickname or slang term: It could be a nickname for someone or a slang term used within a specific group.
* It's a made-up word: It could be a made-up word created for a specific purpose, like a fictional character's name or a brand name.
Without more context, it's impossible to say for sure what "Shawtey" means. If you provide more information about where you encountered this word, I might be able to help you understand its meaning.