1 definition by Audhd girlie

"Tism" is short for "autism" (which often occurs with ADHD) and "rizz" is the ability to be flirtatious and charming. Therefore, "tism rizz" is when you are unintentionally flirtatious and accidentally make people attracted to you because of your autistic and/or ADHD attributes like maintaining intense eye contact, involuntary repetitive motions like twirling your hair, smiling to hide how awkward you feel, staring at the person's lips to process the words you are hearing, and fidgeting which people misinterpret as excitement to be in their presence.
"I've never met anyone like you. I think I've caught feelings. It looks like you have too."
"You've never met someone like me because I'm autistic. I'm not actually looking for anything serious. Sorry if you feel lead on, my signs of interest must be my tism rizz."
by Audhd girlie July 23, 2023
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