When you Cum, Lactate, Poop, Pee, Squirt, and Vomit at the same time
Person 1: bro I was jumming hard last night
Person 2: dude what the fuck
The act of manipulation of a flaccid penis, colloquially known as “beating your meat soft”
I can’t get up, but we could have jumming sesh if that’s ok?
A person whose mission is it to jumm, jumming is the act of stroking ones ding dong