Jack jack off off
When several Jacks decide to see who can be the most embarrassing while they jerk off. It's like a show, but with more cum and less acting.
Jack from the bar had a Jack Jack Off Off with his friends. They all did it in the middle of the street.
At the Jack Jack Off Off in the mall, one Jack used a whole bottle of wine. It was wild.
Jack from the school started a Jack Jack Off Off in the gym. The teachers were shocked.