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A person with a low level of intelligence enrolled in what is called a fast forward program.

They smoke, smell bad, are greasy, crusty and the weather has no effect on them.
Person 1: Look at those fasties out there in the snow smoking! It must be so cold!

Person 2: Foolish niner, don't you know fasties are immune to all weather conditions?
Fasties by Roro-Retaliation October 16, 2007
Related Words
You're sooo faustis!
I feel really faustis today!
Oh my God, you're so faustis!
Faustis by Apprentice February 21, 2004
ADHD medication. Street term. blue and white capsuled powder.
Fasties by Arrearage March 14, 2019
future + besties, a fustie is someone that is destinated to be your bestie.
OMG we're in the same classroom, we're fusties
fusties by dnlaiea February 28, 2022