Something that is done very quicky and without delay.
I'll fix ya up in a jiffy.
I'll be there in a jiffy.
by Dancing with Fire December 28, 2011
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Handjobs, usually one handed and for cheap.
The local hobo jiffies for booze money.
by OMG_RAMPAGING_CHOCOBO October 1, 2005
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The unit of time that is one jiffy cannot be defined relative to other units of time, it is separate, disassociated and different from the way other units are measured and experienced and cannot therefore be explained it terms of amount of time. For jiffy is time, in its raw form and is not like anything that we as humans can comprehend!
Thor: I'll be there in a jiffy.
Inconspicuous looking egg: That does not give me any indication as to how long you are going to be as jiffy is an indefinable period of time.
by dogfly September 21, 2007
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The amount of time taken for a beam of light to travel the diameter of 1 nucleon(the particles that make up the nucleus of an atom)in a vacuum.
It would take billions of "jiffies" to just say the word jiffy.
by Dr.What April 19, 2010
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Slang term for something or someone being smooth, like the peanut butter. Can also be used to say something is cool
Dude Mark is so jiffy with the women.

Tom Cruise: Have you seen that new Tom Cruise film?

Tom Cruise: No, but i heard it was pretty jiffy!
by Jamammal January 3, 2011
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A jiffy is a unit of time: 0.0000000000033357 seconds or (3.3357x10^-11) or (3.3357 times 10 to the power of minus 11).

So named for the length it takes for light to travel 1 centimetre in a vaccum.
by Tom Elgie January 30, 2016
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