When your in a sexualy sitsuation, looking up prono, or fantiziing, And you jiz, but nothing touched, no masterbation, oral sex, your just thinking and jiz shoots out..
American pie.. When jim is in the room with the chick from out of country and shes on his bed almost naked and hes in boxers and hes climbing on top of her and he jizzes... (Jimmin)
by Josh March 21, 2004
Comes from the Pacific Northwest, USA. To be at complete peace with oneself, and to enrich self-growth through intense periods of masturbation.
Jon: I was feeling like shit, but I was jimmin mornin, and now I feel great!
by hobsnobber April 03, 2005