flatline

Meanings

1. An asystole; the absence of heart contractions or brain waves.
2. The disappearance of the rhythmic peaks displayed on a heart monitor.
3. The disappearance of brain waves on an electroencephalogram.
4. An unchanging state, as indicated in a graph of a variable over time.
5. A line that is run low to the water from the rod tip, generally off a release clip of some type.

1. To stop beating.
2. To die.
3. To kill.
4. To remain at the same level, without development; or, to fall.
5. To experience significantly decreased rates of change compared to previous rates of change.
6. To fish using a flatline.

Etymology

From flat + line. Refers to a continuous straight line (asystole) on an ECG (EKG) or EEG, indicating death.