“Touch grass” is a phrase often used online, particularly in social media and gaming communities. It’s a colloquial way of telling someone to get off the internet or to stop engaging in online activities for a while. The phrase implies that the person should go outside, reconnect with the real world, and gain perspective, often suggesting that they are spending too much time in virtual or digital spaces and might be losing touch with reality. This phrase can be used humorously, sarcastically, or as a mild rebuke.