The slow-ass effect
A person who starting to become a clumsy dumbass and yet still hasn't realized why they're mostly ignored in society.
Person 1: hey dude have you seen that car accident next to us?
Person 2: ....what?
Person 1: damn the slow-ass effect is getting in to him
Person 2: ....what?
Person 1: damn the slow-ass effect is getting in to him