turn off
turn off {v.}
1. To stop by turning a knob or handle or by working a switch; to cause to be off.
He turned the water off.
He turned off the light.
2. To leave by turning right or left onto another way./
Turn off the highway at exit 5.
The car turned off on Bridge Street.
3. {slang}
To disgust, bore, or repel (someone) by being intellectually, emotionally, socially, or sexually unattractive.
I won't date Linda Bell anymore — she just turns me off.
Contrast: TURN ON.
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Source: A Dictionary of American Idioms
