The art of masturbating while wearing a condom. Only the people with their PHD in Jackology have used this form of masturbation.
by Chamby86 May 07, 2008
by Dr. Brownthumb May 28, 2008
doing something on your own, or on your "Jack". Often used when describing something epic which a person may be doing.
bob: Dude, there is a naked guy running about the house!
Ciaran: Jeepers! he has some balls, it looks like he is jack soloing it!
Ciaran: Jeepers! he has some balls, it looks like he is jack soloing it!
by $3bby $un August 07, 2010
by PaganRaccoon August 20, 2024