jiffy vs New York minute

jiffy and New York minute both are nouns.

Word	Noun	Adjective	Verb	Adverb
jiffy	Yes	No	No	No
New York minute	Yes	No	No	No

As nouns, jiffy and New York minute are synonyms defined as:

jiffy and New York minute: a very short time (as the time it takes the eye to blink or the heart to beat)

Other synonyms of jiffy include blink of an eye, flash, heartbeat, instant, split second, trice, twinkling, wink.

jiffy (noun)	New York minute (noun)
a very short time (as the time it takes the eye to blink or the heart to beat)	a very short time (as the time it takes the eye to blink or the heart to beat)