I'm not sure where I heard this, but some people at my school supposedly put a little blunt in a straw, in a styrofoam cup in the cafeteria, bite into an apple, blow the smoke into the apple, and throw the apple out the window... I am still trying to figure out some of the mechanics of this... like what happens after the first puff... maybe they keep blowing smoke into apples and at the end, when the joint is burnt out, then maybe they throw it all away. Tricky little stoners.