Double lock
The act of locking your bedroom door and locking your bathroom door before beginning masturbation
I always double lock before I rub one out don't want my rommie to see my dick
Double Land-Locked
(verb) also: double land-locking Tower Bridge, but with an extra layer.
K: hey bruh, did you get double land-locked yesterday?
J: yeah man, still a bit sore.
J: yeah man, still a bit sore.