(slang) Interstate highway 5.

(idiomatic, colloquial) A miser.

A five-dollar baggie of narcotics, especially marijuana. / A bagged portion of half a gram of narcotics.

(historical, attributive) Operated by a nickel, especially of an early jukebox or slot machine.

plural of nickel bag

(US slang) The national speed limit of 55 miles per hour introduced in the USA in 1974. / (US slang) The number 55 (by extension).

(with dummy it) To travel at 55 miles per hour.

Alternative form of drop a dime

Alternative form of nickelback

(of metal) coated with a layer of nickel