Goober smack
A person who is typically an obvious doofus or a dipshit, but are somehow unaware of it. A person who thinks that they are well liked or cool, but are very far from it.
Be quiet everyone, here comes goober smack. Just ignore him and he will go away.
Smack goober
When you and your crush are both dumb and y’all both know it
See ya later smack goober