What is a jiffy of a fraction of a second?

Answer 1

There is no formal definition of a jiffy. In electronics, it can refer to the period of the alternating current cycle. In most countries, the AC supply is at 50 or 60 Hz so that a jiffy is 1/50 or 1/60 of a second.

Answer 2

A fancy way of saying "a very short time". Wiktionary defines jiffy as: "A very short, unspecified length of time."

Answer 3

an imprecise measure of time, a moment