speed(redirected from sped)
Also found in: Dictionary, Thesaurus, Medical, Financial, Acronyms, Idioms, Encyclopedia.
Related to sped: speed
n. street slang for methamphetamine, a drug in a chrystaline form which supposedly stimulates the senses, is popular with some illicit drug users, and is addictive. It smells bad, has serious unhealthy side effects, and its possession, use and sale without a prescription are all crimes. (See: narcotics, controlled substance)