When using the phrase " My balls are itchy ". It is to indicate specimens around you or whomever you directed it at that your genitals have an irritating sensation that makes you want to scratch.
"Hey my balls are itchy"
"Bro, my balls have been feeling itchy"
A famous line that The Scout from Team Fortress 2 says.
Scout: Aw, I love my ball.
Heavy: COWARD!
When your two hairy balls are in need of O² so you need to get them out of your pants
~OR
You need to flex your huge balls
Adolf hitler: Wanna see my balls?
Joseph stalin: You don't have any you fucking retard!
YOU JACK ASS
relax take a deep breath. NO, SHUT THE FUCK UP BALLS MY FUCKEDN U80WREY