A home made device used for smoking the mary jane.

-consists of a 2 liter bottle cut off at the bottom ring, a metal bowl, and a breadbag. The breadbag is taped around the cut end of the 2 liter and sucked into the bottle so it is airtight. The metal bowl is placed in the bottle cap and screwed on. One then lights the bowl while another pulles the bag out from inside the 2 liter creating suction.

A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.