On Shane 

similar to "no cap", "on my mama", or "on God"... used when you are swearing something to be true because Shane is the realest mfer out there

Friend: "These girls on Tinder are fake gas."

You: "On Shane."

On Shane by sandbox17 August 18, 2025

Shane on you 

It is when life is passed up and you choose the couch instead of going and trying new things.

Hey lets go boating. No I just want to stay home. SHANE ON YOU.

Shane on you by Camp town August 17, 2022