The disposal of morning wood through the act of masturbating.
Guy: After the dream I had this morning, I had some lumberjacking off to do…
Lumberjacking off: define #2
When one masturbates upon waking up in an effort to relieve themselves of morning wood
Yeah I caught Johnny lumber-jacking off on PornHub in his bed yesterday after his 6:30am alarm.
Lumberjacking off: define #3
A sexual act in which a man masturbates (or is stimulated by his partner) and after he’s ejaculated, his partner yells “TIMBER” as he loses his erection.
“I made a huge mess from lumberjacking off. Plus I think my roommates think we’re logging.”