What is pipe dope?

Something I REALLY don't recommend trying to get high on! Before they invented Teflon tape, a plumber who wanted to seal pipe threads used a liquid sealant. You can still get this and many plumbers prefer it. It comes in a little can with a brush, and you apply it to the threads on the pipe before you screw the pipe into the fitting. It's called "dope" because it can make you dizzy if you inhale the fumes.