Brain Hemispheres

You know why I have so low IQ? It's because the left side of my brain gets nothing right, and the right side of my brain has nothing left.

IQ
Side
Nothing
Brain
Left
Anatomy

Explanation

Explain Bear

Listen here, genius. The joke is all about wordplay and how both sides of the brain ain't pullin' their weight. Left side? Nothin' right. Right side? Nothin' left. It's like your dating life, pal. Ain't goin' anywhere.