The movie was a commercial failure at the time of release. With time, DVD sales, word of mouth and the numerous television screenings made it a cult movie in France and Belgium.
Olivier Legrain, as many actors do in this movie, portrays different roles : he's both the mechanic and Miche, the fair-haired man with the dog and the overweight wife.
The title Dikkenek comes from the Flemish words "dikke" and "nek", verbatim for "fat neck" and literally means "a big mouth".
Greg's cinema date and the girl Jean-Claude is making out with at the football center are portrayed by the same actress.
The actor portraying the museum receptionist is seen again in Claudy's favorite club and at the bar's counter as two different characters.