acting in a j-bag manner, usually a socially awkward, ignorant, or idiotic action
"So i was taking some girls laundry out of the dryer and as i had her panties in my hand she walked in on me"
- "Dude you were really j'ing the bag
on that one, jbag"
"I j'ed your mom's bag"
Jerking off in the library
Jerking off in the girls bathroom
Smoking a cigarette before going to the gym