Rip a sleeve

The act of grabbing a fresh sleeve of Thin Mint Girl Scout cookies and wolfing them all down in one sitting.

Chad: It's the Fuckin' weekend! Time to rip a sleeve!
Brad: Hell yeah bro! Let's get that minty pre-game!

rip the sleeves off

To "one up" somebody. To make somebody look less kool.

Derived from tearing the sleeves off a leather jacket, turning it into a leather vest.

James Dean: Joe, I've been dyin' since the day I was born.

Joe: Well Jimmy, I've been livin' since the day I was born, and I've been livin' like I'm dyin'.

Bystander: Whoa, Joe! Way to rip the sleeves off James Dean!

Rip sleeves

Basically when someone gets you so mad, like hulk-mad...to the point where you're about to, "wolf-out" and rip them sleeves.

Dude, Becky taking my f'n bronzer wasn't cool. I'm about to go full rip sleeves on that bitch