Slick Sleeve 

N. Used in the Army since the introduction of the ACU uniform, When a Soldier has not yet been deployed over seas and lacks the combat patch on there right shoulder sleeve.

"I'm tired of slick sleeve E-7's and above pouges giving orders to me when they don't know shit!

Slick Sleeve by Sgt. Chemical February 4, 2010

Slick Sleeve 

N. A service member, particularly in the armed forces (Army, Marines, police officer, etc.) who has not yet elapsed enough experience to earn a rank insignia from deployment or tenured employment.

Rita: Now you listen here, slick sleeve - the only thing you have on that uniform of yours is a badge and I will have it by the end of the day if you act out.
Probie: Yes, ma'am.

Slick Sleeve by insulatedpotato June 27, 2023

Slick Sleeve 

n. Used in the airforce military when an enlisted member doesn't have any rank

I'm tired of being a slick sleeve I want to make rank so I can start giving the orders

Slick Sleeve by Pharasees April 5, 2009

sleeves called in sick 

When a person is wearing a tank top.

Jacob was wearing a tank top so his Sleeves Called in sick

sleeves called in sick by SadlerSnipes March 21, 2020