Top definition
The act of dozing off while masturbating, or jerking off while asleep.
β€œMy boyfriend’s great at slumberjacking, he really knows how to handle wood while he saws logs.”
by PostModernValkyrie June 04, 2018
Get the mug
Get a SlumberJacking mug for your mate Trump.
Masturbating a predefined sleeping apparatus, such as a bed, sleeping bag, or hammock. Often with the intention of passing the fuck out after.
I can't go tonight bro, gonna hit the hay, maybe do some slumberjacking first.
by Shaboyjay August 14, 2014
Get the mug
Get a slumberjacking mug for your Uncle Trump.