Weasel

One who is particularly cunning, conniving, shifty, sneaky, scheming and down right sly. Weasels are known for their ability to adapt to any situation and to manipulate it to suit their own weasel ways. In other words, my brother Beau.

When used in regard to a female weasel, "weaselette" should be used.

Also used as a verb (ie. to weasel) and as an adjective (eg. weaselish)
"Tell me of your latest weaselish escapades, brother"
"Beau, you are a true weasel!"
"How are you going to weasel your way out of this one?"
"Beware of the weasel"
"Do teach me in the ways of the weasel"
by Weaselette, sister of Weasel October 26, 2008
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Weasel

A cunning, sneaky person. On internet forums they are often a liar, fake or poser. Will try to extract information from you to share with others and / or use it against you. Uses shiftiness to evade an obligation, commitment or duty. They will make promises then renege on them. 'Weasel' is very often followed by 'out' as in 'weasel out'.
"Watch her try to weasel out of that one."

"What a fucking weasel that lying bitch is."

"Every insurance company has a weasel clause so they don't have to pay their claim."
by Grund1e September 01, 2006
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Weasel

A weasel is a furry little rodent, who tends to be cute and murder birds, like chicken: 2 in 1
Very agile and mobile creature, who can slip through tight spots and eat your eggs, if you aren't watching.

Weasel can also be a description for someone clever or menacing.

Some cartoon or game characters are weasels, where they have sly, slim, clever and sneaky behaviors and they have a nice smirk or a grin on their face. Unlike the real life counterparts, they usually don't eat eggs nor murder birds in cartoons though for some fucked up reason.
After 'someone' stole my eggs from the fridge I yelled out: "The weasel stole the eggs, what I just mugged from someone!"
When someone rips or pulls you off, you probably would think: "What a weasel!"
by Möszick April 19, 2013
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Weasel

A small rodent like person who is renowned for his sneaky, dishonest and generally unpleasant nature and is universally disliked. The weasel often has dirty gingery hair on his face and snout and is found skulking around in the shadows in a manner very consistent with other rodents.
"That Mennel guy is such a weasel."

"I'm going to exterminate that frickin weasel if I see him in the ECL labs again!"
by Ynngwie J Malmsteen October 23, 2008
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Weasel

A slippery character who cannot be trusted to remain faithful to his girlfriend and is putting it about whenever possible
Scott is always on the pull, even though he's got a girlfriend! Scott's a fucking weasel.
by Dangerman Dan May 27, 2011
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Weasel

Slang for male and female genitals in the Midlands of England, particularly Birmingham and the Black Country. It is most often used to refer to the vagina in common Midlands parlance.
She's got a nice weasel, the best weasel I ever saw babs.
by Baginahead October 24, 2013
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Weasel

A euphemism for the penis, particularly if the owner is keen on sneaking it into restricted or difficult-to-access places. It is generally hoped by the owner that the weasel will be attended to by a weasel-teaser
Dave: Dude, did you see the awesome chick Tim hooked up with last night?

Boris: Yeah man, that guy knows how to work his weasel!
by The Noceros February 19, 2010
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