double-nickel [duhb-uh l-nik-uh l] Word Origin noun Slang.
- the national speed limit of 55 miles per hour as established in 1974 on U.S. highways.
Origin of double-nickel First recorded in 1975–80
double-nickel [duhb-uh l-nik-uh l] Word Origin noun Slang.
Origin of double-nickel First recorded in 1975–80