V.Sticking the male penis into an upright vagina and going in a downward motion as to simulate a plunging motion
by Fat nigga JJ July 10, 2004
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Messy and unkempt hair, more specifically, when one puts one's hair up in a ponytail the hair underneath said ponytail slackens and loosens, thus creating 'plunge'. Can be extended to any kind of loose, uncontrolled hair, such as is common when one takes off one's snug-fitting hat (e.g. beret, fisherman), and which is usually combed out to maintain an acceptable appearance.
1. "Look at the state of your hair, you've got so much plunge."
2. As soon as she took her hat off she had to sort out her plunge.
by cinmond April 9, 2006
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when a guy or girl sticks a plunger handle up his butt

past tense: plunged
dude: So one day i got really bored and i plunged myself
chick: oh thats gross, i'm leaving
by Rensh August 27, 2005
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to stand over a woman, and then proceed to dip your smooth/rigid shaft into her oral cavity.
I wonder if that girl has experienced the gilad.
by JEREMY July 24, 2003
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Thong. Dates back to 2004. When a group of girls go to buy a thong as a joke, they refer to it as "Taking the Plunge".
"I'm wearing my pink Plunge today."
by Curly October 8, 2004
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Phallic-looking ride at north Idaho's Silverwood theme park that locals refer to by many other impolite names.
Silverwood's Panic Plunge gives locals much to snicker about.
by Disgruntled Idahoan August 5, 2007
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