Lammbock

Lammbock is a 2001 German stoner film. The protagonists of the movie are two pizza delivery men who decide to up their income by adding marijuana to the menu and get into trouble after attracting the attention of an undercover cop. There are numerous subplots, and the movie is essentially split up into various chapters, each dealing with different episodes. It is filmed in and around the Franconian city of Wrzburg.

After much debate, the duo decide to bring Achim to the plantation so that he can help with the aphid problem, using an adulterant on the plants called Brain cell massacre, which, according to Achim, is used in Kazakhstan plantations. On the way to the growing area, they try to pick psychedelic mushrooms, convinced that nobody will be suspicious of mushrooms on a pizza. They test them out on Achim while he is at the plantation, stating that they already tried some. Achim is poisoned by the mushrooms and goes into a convulsive state, when suddenly a hunter is spotted nearby. The Brain cell massacre is used to knock Achim out, and he is locked in the protagonists trunk, along with the hunter who discovered the cannabis plantation as well as the harvested crop itself.After narrowly avoiding an unrelated police search, the duo confront Stefans father and confess their situation. Though Stefans father becomes upset, he calls the chief of police, whom he befriended when he was a public prosecutor. With the help of the chief of police, the duo get off the hook, and Stefan takes his bar exam only to walk out at the last minute to pursue his lifelong dream of owning a cafe on a beach. ........

Source: Wikipedia