Definitions by KeithUrbanDictionary

j-sesh 

a jerk-off session, the period spanning from when one begins to watch porn and until he finishes

Joe: "Hey guys, I'll be right back."
Schmoe: "Ayy, goin' for that j-sesh real quick?"
Joe: "Fuck off."

j-sesh by KeithUrbanDictionary November 16, 2017