Big summer grow out

Growing out your hair out all summer.

Dude, look at Chris, his hair is crazy!

It's cause he's doing a big summer grow out.

Summer cut

A very short haircut over the summer.

“Dude! What happened to your hair??”
“It’s a summer cut. Old English sheepdogs do it every year.“
“Man, you don’t know about sheepdogs.”
“You don’t know about summer cuts!”