verb INFORMAL

1. A contemporary phenomenon; the complete lack of output, input, production or consumption of a human being, usually a young adult and heavily dosed with technology, while conscious and feeling contentedness and comfort.

2. Staring at a screen of no importance for 10 or more minutes while having absolutely no thoughts or other brain activity. Or regrets.

3. Often observed by a confounded teacher not paying attention but also not actively thinking of anything else nor doing anything else either.

4. The doom of human productiveness and self worth.

5. (Google) fail to increase; remain static.

6. (Google) to die

Got the covid-19 vaccine

Flatlining: The act of naked planking.

When a person doesn't know hot to kiss and either 1) sits there with a limp, half-open mouth and slobers all over your face or 2) puckers up and is otherwise unresponsive.

Seeking out death or just embarrassment... Either recklessly or purposefully.