1 definition by Billabong aka Buck-deezy

To masturbate at a reduced pace. Sometimes performed for hours at a time.
"Yo man, slow jacking has so many benefits. Why just the other day I was cooking while I jacked, try the oven mit, it's just like givin' yo'self a stranger."
by Billabong aka Buck-deezy February 15, 2006
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