The condition in which one's testicals tighten up and feel leathery often happening after exiting a pool or cold bath. The physical feel of testicles while experiencing Blue Balls. The shrinkage and tightening of your balls right before blowing your load.
That pool was fucking cold, I think i have leather sack.
When a man is taking a shot and the long turd breaks off, falls forward and smacks the ball sack. Leaving a skid mark.
Janice was miffed last night while she was blowing my junk and she said it was a little funky. It must have been from the sack skid I had earlier.
Football (American, not soccer) talk for an exceptional pass rusher, who can get by linemen and sack QBs
When you are double penetrating a girl doggie style, you are slappin' sacks with the other gentleman involved.
Howard and I were slappin' sacks the other night and that bitch pulled out shot his wad on my nuts.
When you're really angry and your testicles take the form of a ferocious tiger.
Dude when 9/11 happened I got the worst tiger sack
A fabric constriction around the groin that occurs as a result of sitting or propping up a leg in tight pants (preferably khakis), forcing others to have a superfluous magnitude of testicular knowledge.
You might want to push that waste down a bit before sitting down. You're rocking a khaki sack
when one cannot be arsed (fuck it)
nah man, sack dat.
'are you going to sociology' 'sack dat!'