Usually I just whooped on my brothers when they did stuff I didn't like.
I do remember one time I wrapped scotch tape around the sprayer handle on the kitchen sink. Most people would do a rubber band, but a rubber band is obvious. Scotch tape on a silver sprayer is damn near invisible, unless you know it's there and are really looking hard for it.
He got so pissed off at me for getting his shirt wet that he started crying.