Not something you want to do if you have bud on you. It will get you high, but isn't exactly good for your lungs. Plus it tastes like ass.

I have also heard of Hash being referred to as resin. Hash is generally more potent than weed, but you don't make it from scraping your pipe.

But yeah, it will get you through a dry spell, but it isn't something you do if you have other options.