Theory coined by the prophet Afroman which claims to be the one, true method for selling crack to one's teacher. A close relative of trigonometry, but the similarities end at the rhyme unfortunately for us students.
the act of constructing a very crude and niggered grenade, usually consisting of black powder and any type of air tight steel container. Sometimes coupled with pressurized flamable objects to enhance devastating effects.
Chris: Dude, someone blew up my mailbox. it looks like they used a pipebomb of sorts.