A teenager usually around the age of 12-14 who acts,dresses, talks older then they actually are.
He all over those girls with his fast ass,I bet his balls ain't even drop yet.

Damn her shorts are short af. She need to sit down somewhere with her fast ass.
by Depressed_Baddie March 26, 2019
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Knowing that Sierra had never actually been wasted, her friends gave her what she thought was a very strong mix drink.
she was totally fasted even though it was only lemonade.
by Clemmentine September 4, 2007
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ampethamines - speed, base
i got 2 grams of fast for tonight!
by jimmy urine September 27, 2003
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Fast is used as an adjective meaning 'close', 'strong', 'loyal', 'permanent'.
Fast colors meaning resistant to fading. Fast friends meaning loyal friends, close friends, permanent friends.

John and I have been fast friends since we met in the 4th grade.
by Mustang Ed October 1, 2011
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To get extremely intoxicated. A step higher than the term "wasted". The word comes from when "fucking wasted" is used together. Fasted is a shortened version of that.
"Let's go get fasted at the bar!"

"I got fasted and threw up everywhere last night."
by Julio Escavez September 10, 2006
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Resstraining from eating food for periods from 16 hours to several weeks, usually by middle class people who need a challenge and want to better themselves, often touting studies that show it reduces your risk of heart disease and diabetes in order to justify the self-flagellation involved.
I like to do some fasting between my morning yoga class and afternoon transcendental meditation
by vincerhodes February 3, 2021
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