touching grass
dismissive
the one-line answer
The act of going outside, away from the internet, and reconnecting with reality.
Touching grass means going outside. You have been too online. You need to leave your device and interact with the physical world. Sometimes offered as advice, often as an insult.
mainstream
Your coworker might use this word.
01 / in the wild
hear it move.
irony
I told him to touch grass and he did not understand the insult.
I told him he was too online and he was confused by the reference.