Originating durring the times of shanty or shack towns, the local shack wacker was a man or woman who constantly masturbated while inside their dwelling.
you seen the hair on teds hands?
I sure have, that dirty ol' shack wacker never quits beatin his dick!
The act of hitting a Juul Shack and a dab pen Wacker simultaneously.
“Bro did you see Abe hit that 10 second long shack Wacker?”
“Yeah bro he’s crazy”