- HD 1080
- Runtime: 107m.
- Status: Released
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- Languages: en
- Country: United Kingdom
- Director: Peter Richardson
- Stars: Adrian Edmondson, Jennifer Saunders, Peter Richardson, Robbie Coltrane, Nigel Planer
- keywords: undercover agent, drug dealing, cross dressing, vomiting
- Production_studio: 14 Old Bond Street Leasing, Comic Strip Production, Michael White Productions, Film4 Productions
- Slogan: Dennis makes me wanna kill myself, but I'm scared I'll burn in hell if I do ~Harvey
- The The Supergrass is featured in the top rankings of 1985
- #72 in Top Comedy Movies of 1985
While taking a holiday in the country with his mother, Dennis hits on a scheme to impress a girl so that she'll go away on a trip with him as his girlfriend. Although he fails to gain any interest from the girl, the police take a great interest in his story. From this point on, Dennis digs a deeper hole for himself at every turn