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Short for "low-functioning." A modernized, slightly more subtle way to call someone completely incompetent, clueless, or a total idiot without dropping older, offensive slurs. Used when someone is operating at 1% brain capacity or failing at the most basic human tasks.
Bro, Jason just tried to jump-start his car by hooking the cables to his bumper."
"Wow. He is incredibly low-func.",

“Don't let Mike try to split the dinner bill, he's totally low-func when it comes to basic math.”
Low-func by Ajcase June 12, 2026
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Low Functioning Autism 

Autism, but with an intellectual disability. A person with Low Functioning Autism will not be able to live independently, unlike people with High Functioning Autism or Asperger's Syndrome.

People with Low Functioning Autism often have little to no speech. They may make random noises as oppose to words. (LFA is the abbreviation for Low Functioning Autism.)
I feel bad for him, he has Low Functioning Autism.

Low functioning neurotypical 

A low end NT tend to operate at the lowest level possible in life, never able to hold down a job, and will revert to the scummy hustles. They usually will be a kleptomaniac often even towards friends and family. When they come across a mentally impaired person already hooked on dope, it's a jackpot 4 them They may pressure 1 to trade a new PS4 remote like a 5th of a gram of crack, acting like it's the deal of the century. They want u 2 think 1/4 gram of dope w a 5 min high is in ur better interest than a stack of budget games that can provide dozens of hrs of fun. More often than not, a high end autistic individual operates at a higher lvl in life with the creativity and knowledge base being stronger than low end commoners. With the strongly held moral codes of ASD folk, they are less likely to resort to unethical/ criminal means of survival. Whereas a high end NT is more likely than the other neuro-types to finish college and find employment in their field of study, or to find their niche sooner, as they have both a strong skill set or knowledge base that isn't counter balanced by social awkwardness. A low end commoner is also prone to constant lying, who r also less skilled of a liar than a high end NT. On the contrary a high end NT has less of a need to be a liar as they usually aren't left in a position where lying is needed. Thing's tend 2 fall in place for high performing neurotypicals and most were preppy in school as well as beyond graduation.
Oh there's that dope dealer trying to sell meth to that guy with an autistic lisp and mannerisms. I'd like to call that criminal a low functioning neurotypical.
Short for low functioning autism. The person in question is intellectually disabled, incapable of social interaction and lacks self-awareness. Can be used in the same context as retard, autist and sped.
Person 1: Is that kid over retarded or something?
Person 2: yeah, he's definitely a lowfunc.
Lowfunc by zeryetoast July 26, 2019
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