Adding extra nicotine to a cigarette in order to get a high similar to meth or crack. This is very dangerous and nobody should do it. Ever. Of course meth and crack are both very dangerous anyway, as is smoking, so nobody should do those things either.
Joey was using poor mans crack, so after he got done tripping balls he had to go to the emergency room for his chronic dumbassitude and dicketry.
A blunt filled with weed found on the ground or leaves found around a yard. Instead of using rolling paper or backwood wraps they use paper or index cards. Normally folded not rolled.