habitual line stepper
A person who can't stop going too far. They cross the line so much it's like they're in a fight with it.
He crossed the line at the restaurant and tried to talk to the cook's girlfriend. I had to pull him out by his shirt.
She crossed the line at the concert and tried to climb on the stage. I had to grab her by the legs.
He crossed the line at the gym and tried to take the last treadmill. I had to push him out the door.