A verb. Used to denote someone who is very loose with their sexuality and spreads their legs easier than the creamy version of the peanut butter which shares the same name

May proceed words like Super, Mega, and Ultra to emphasize
severity of Slutitude
Holy damn...Stevin and Lauren are being wicked jiffy tonight to get over those British twins they lost to finals....
by Stevren December 22, 2011
Get the Jiffy mug.
A short unspecified quantity of time.
"Before I entered her with my unkept fleshy geoffrey, I assured her I would be done in a jiffy"
by TheRealSampy May 29, 2016
Get the Jiffy mug.
Really short period of time.

(Unlike TTTM has mentioned as ranging from 1/1000th of a second to 5 minutes.) TTTM, 5 minutes are called 5 MINUTES, not jiffy. May be 5 minutes are jiffy for your age, but certainly its not the definition.
by RikSandy May 8, 2009
Get the Jiffy mug.
A very quick handjob.
Hey Rachel, I got lacrosse practice in 15 minutes. Can I get a jiffy before I head out?
by Snail man March 25, 2011
Get the Jiffy mug.
Used in a song by Juelz Santana

"I'll be there in a jiffy w a bag full of jiffy, I aint talkin bout peanut butter either brother"
by ebombs November 12, 2008
Get the Jiffy mug.
"Act" as in being surprised but not actually caring at all
"Hey billy, I just got a new phone!"
"Jiffy" (fuck off)
by Lubemister69 January 10, 2014
Get the Jiffy mug.