The action in which guys shake the excess urine off of their penis after urinating.
I hope you did not forget to do your Jack Flapping

(this was Made by Jarryd Hardam)
by Somnili March 31, 2016
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breasts that are unatractive in any way, be they saggy, miscolored, wrinkled, or pancake like in nature.
that chik's tits were no good, she was working with some flap jacks.

flap jacks, jacks flapped
by HL Deez February 17, 2005
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A Woman with breasts that are flat. Deflated Titties.
An old age home is a great place to find Flap Jacks.
by Leon June 21, 2004
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Speculum used in Gynaecological procedures
to literally jack a womans flaps open
warm up the flap jack nurse...dont want her to catch frostbite
by arrows101 February 13, 2009
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Describes two body parts in particular on the femal body. Volumeless saggy breast which resemble the pancake like flat bread called flap jacks.

Also describes a flat ass
She should have wore a bra, without one her boobs look like flap jacks.
by kumquat87 October 19, 2009
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Nicole Is A Flap Jack Her Pussy Is Like An Old Ladie
by Sambooshawan May 13, 2009
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