double-nickel
double-nickel · double-nickels
The national speed limit of 55 miles per hour introduced in the USA in 1974The national speed limit of 55 miles per hour introduced in the USA in 1974.
Meaning
2 senses(US, slang)The national speed limit of 55 miles per hour introduced in the USA in 1974.
(US, slang)The number 55 (by extension).
Origin
From trucker slang in the 1970s referring to the national 55 mph speed limit, based on nicFrom trucker slang in the 1970s referring to the national 55 mph speed limit, based on nickel (“five-cent coin”).
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Forms
plural: double-nickels| Singular | double-nickel |
|---|---|
| Plural | double-nickels |
regular