Smack goober 

When you and your crush are both dumb and y’all both know it

See ya later smack goober

Smack goober by Pimp daddy 621 April 29, 2020

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.

Goober smack by Houston JC July 8, 2009