Facepalmist
A facepalmist is a human who is so dumb it’s like watching a goat try to ride a bicycle, you just know it’s going to fail, and you’re going to slap your face.
My cousin said, 'The moon is just a big cheese wheel.' I facepalmed and got a crick in my neck.
My mom said, 'I think humans are just robots who forgot their passwords.' I facepalmed and almost cried.
My dog barked at a bird. I facepalmed and got a headache.