- (idiomatic, slang) Alternative spelling of speedfreak.
- (idiomatic, slang) A person who enjoys driving, riding motorcycles, etc. at high speeds.
- 1971. Gerald Le Dain. The Non-medical Use of Drugs: Interim Report of the Canadian Government..., Penguin: 1971, Page 233,
- The 'speed freak' can be seen as a casualty...