The word "fuck" is used over 300 times.
The film is filled with director Kevin Allen's family appearing in tiny roles. His mother and several aunties appear early on talking to a taxi driver, a uncle is the man getting a hand-job in the massage parlour and brother Keith is the farmer who eats a spiked hot-dog.
Set in Swansea, Wales, which was the birthplace of Dylan Thomas. He referred to the town as "the graveyard of ambition".
Llyr and Rhys Ifans are brothers in real life.
Rhys Ifans was formally the lead singer in the Welsh band Super Furry Animals whose song Bad Behaviour is played during the end credits