The art of chalking a glass bong so thick you cant see through it. Like milk. If you don't hack lung, you haven't miked it enough.
We were Milkin it yesterday. Shit was fahkin milked dude, we told Ralph to take a shottie! HA!, kidd hacked lung then ralphed everywhere! But to his defense, so did everyone else... you cant clear a 5 gallon GB all by your self... shits impossible.