Lax MAO
This is a common lacrosse term. It stands for laxing my ass off. It's also a company logo commonly seen on shirts that lacrosse players wear.
"Dude what does that mean on your shirt?"- Dylan
"Lax Mao means Laxing My Ass Off Bro.."- Tyler
"Lax Mao means Laxing My Ass Off Bro.."- Tyler