1.) Someone who constantly worries or is anxious all the time

2.) They fidget a lot

3.) They're not very confident or like to put other people down
"Sue, stop acting like such a fret monkey!" Marsha said. "You're driving us crazy."
by ShakespeareGal June 22, 2009
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When you run out of your fentnyl or fenty and you start getting all out of control and start worrying to much and stressing over running out of fet..
Calm down weda, don't go on a total fet fret, it's on its way.
by ZabbaZabbaZomZom September 24, 2020
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When an animal owner worries over the well-being of their pet when away.
Stop pet fretting. Jane is so good to animals. I'm sure your dog will be fine when you return.
by Ereck Flowers May 4, 2019
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When you've bothered or annoyed someone like if you were nagging them.
If you tell your roommate to turn their music down and feel bad about it later:

"Sorry, man. I didn't mean to fret on your chill."
by ame14 May 9, 2017
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