It's wrong to throw people off things.
Joe is walking with his girlfriend on a boardwalk next to the ocean.
Joe wants to have a laugh at his girlfriend's expense.
Joe tricks his girlfriend into walking into a men's restroom, she runs out of it embarrassed and red in the face.
Joe throws his girlfriend over the railing into the shallow water, laughing at the way she freaked out.
Joe's girlfriend is angry at first, but soon finds it kind of funny, and they laugh about the joke together while they continue walking.
Joe's girlfriend is angry that her clothes are soaking wet and demands they go home.