Rabt Thmyl Bwt Fry Fayr

"RABT THMYL BWT FRY FAYR"

It looks like you're using a substitution cipher, specifically a letter substitution where each letter is replaced by a different letter a fixed number of positions down the alphabet. rabt thmyl bwt fry fayr

"About them lab fry day"

However, I'm guessing that might not be the intended message. "RABT THMYL BWT FRY FAYR" It looks like

If I decode the message "rabt thmyl bwt fry fayr" using a simple Caesar cipher, I get: rabt thmyl bwt fry fayr

I see you're trying to communicate in a coded way!