Sällskapsresan (1980)
Sällskapsresan, released in English as The Charter Trip, is a 1980 Swedish comedy film and the first in a series directed by Lasse Åberg. The film has reached cult status in Sweden and a vast number of the Swedish people have seen it, and many of the lines in the movie are known and referenced frequently by many Swedes. It was entered into the 12th Moscow International Film Festival.
More at Wikipedia.