in. [for an engine] to run well and smoothly. : New spark plugs and this old heap will really purr like a cat.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Example sentences
House cats employ a vocal repertoire that extends from a purr to a screech.
Females are usually silent but give an occasional purr.
His technique and elegance should make any cricket fan purr.
Suppose a collapse in rubbed purr, in rubbed purr get.
Evil has arrived there in a sleek, fleshy package with a baritone purr.
Compared with the roar of chemical rockets, electric propulsion produces only a gentle purr.
The purr of a car engine rises and fades as the unseen vehicle pulls away from a stop sign.
The sweet purr promised one of our precious vices-coffee.
The mumble of humility masks the purr of self-satisfaction.
Too often the soothing rattle-and-purr of their air-conditioners fades into sweaty silence.