touch grass

Meaning

1. A command telling someone who is too online or too argumentative to go outside.
2. Used broadly as an insult for anyone acting detached from reality.

“You’ve tweeted about this for six hours straight. Touch grass.”

Where it came from

The phrase circulated in gaming trash talk as early as 2015 and spread steadily on Twitter through 2019. Pandemic lockdowns in 2020 and 2021 pushed it into mainstream use as a comeback for anyone spending too much time online.