1. Taking a large objectional mass of food and shoving it in your mouth all at once.
2. Eating as much food as you can, as quick as you can.
3. Can also be used as a substitute for just about any verb you can think of.
-Wow, Bubba really pured that double bacon cheese burger.
-Hurry up and pure that steak, we have to go!
-Holy crap, that car almost pured me! I guess it's always a good idea to pure both ways before you pure the street.