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.
by Medici32 May 29, 2016
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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."
by Paul Cumyan December 05, 2017
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