A device for smoking cannabis,used in conjunction with lungs,bottle bags,waterfalls and buckets.
A Mega Chillum must hold a minimum of 2 and a half decent bucketsworth of skunk or burnt rocky,and be able to pull in once without leaving second burns,this is neccesary to achieve the term "Mega"
"gonk pass me the mega chillum"
"i was stoned to fuck after 3 lungs through the mega chillum"