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
That kid is flatlinging.
Stop flatlining and do
something with your life.
It's really a problem, them kids that can
flatline all the time and feel purpose in life.
He'd rather flatline than learn
something.