The act of sitting around (normally at work) wasting time and not doing the duties you have been assigned. also could be used as a to Sherk = to do nothing when you should be working.
Hey, you been busy today?
Dude, i was sherking big time!
(v) When in DEEPREM sleep yet carrying out inappropriate dreamlike actions of masturbation, also known as SLERKING or "Sleeping and Jerking OFF at the same time" = Slerking.
While at the supermarket Joe decided to take a quick cat nap in the corner of the store and got caught red handed Slerking as the cashier called the cops.