shack off
When you shit and jack off at the same time
I’m gonna go shack off
shacking off
To take a shit and Jack off at the same time. (its called shingering for the ladies)
I was taking the browns to the superbowl the other day and decided to make it better by shacking off.
Jack off shack
the stall in a dorm or shared bathroom that you or someone else always beats their meet in.
"Has anyone seen Dan?"
"He's in the bathroom and I saw him go into the jack off shack so it'll be a while"
"He's in the bathroom and I saw him go into the jack off shack so it'll be a while"