Top definition
A very serious mental disorder in humans that causes them to believe they are a cat. Symptoms include meowing, odd cravings for fish or Friskies treats, sudden licking of self or others, reaching under doors, and hiding in boxes. Nyahtistic people have special needs, like belly rubs or scratches on their rear; they may bite if you run their belly for to long
Did you hear about Sean? I heard he has Nyahtism. His mom said he was caught trying to attack the mirror
via giphy
by That Jaspyr Dude March 13, 2017
Get the mug
Get a Nyahtism mug for your friend Jerry.