Slanted Face Share definition Flag Used to derogatorily describe an autistic, or otherwise mentally handicapped, person. Oh my god, I'm in my Socials class and this slanted face keeps screaming out loud, it's really pissing me off. Slanted Face by iandelicisultragay April 19, 2018 0 0 Get merch Get the Slanted Face mug. Buy Now — $32.95 See more merch