When someone is passing gas and you don't hear any loud fart vibrations, but clearly hear the gas excrete.

The fart sounds like: ffffft

"You guys be quiet, listen to this sift"

"You better not eat more than 5 White Castle burgers tonight because they next day you'll be sifting all day"
by Tone Da Bizzy December 4, 2007
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to sort through bodily secretions to find something that was lost in the body ie swallowed
i had to sift three loads before finding my keys
by Persephone May 6, 2005
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To ejaculate into a type of strainer, or "sifter", and then proceed to spread your man butter across someone's face.
Being the lonely teenager he was, Andrew frequently sifted on his own face at night.
by Wave of Sift February 16, 2007
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When an older male/female dates, or brings a younger person as a date to an event because either
1. They won't be able to find a date any other way and all younger people would want to go
2. The older person want to make sure they will get some action so they choose younger easier person

Usually only occurs in highschool/college situations like proms or semis
(Usually a bad idea that one will regret in the future)
Guy1: dude I'm bringing Sara to senior prom this year
Guy2: wait Sara the sophomore? Are you really going sifting for a prom date?
Guy1: yeah I found out that she will hook up with me if I get her into prom
by You February 19, 2015
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Acronym.
Sister I'd *have sex with* Too

Derivation of MILF
Peter: Dude, did you see Chad at parents' night? He's got such a MILF!
Joe: You should see his SIFT!
by RobertOldhead December 8, 2008
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during sex, proceed to pull out a type of strainer, or sifter. then, put the sifter over your partner's face and ejaculate into it. the cum will "dribble" onto your partner's face.

* for a SuperSift, you need to people. do the above, but rather than using a sifter, use a screen door.
The cum driped onto her face from that wonderful sift!
by Yonish Spifondovich February 19, 2007
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the lifting up of the male or female breast
Did you just see that sifting action, he got three inches on it
by frank delecrem October 21, 2005
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