Chach Weasel 

1. Mustela Chachicus - an extremely inept and douchey member of the genus Mustela. Widely considered to be the most incompetent and unpleasant member species of weasel.

2. commonly used to refer to arrogant and boastful people who feign competence but are truly shitbags.

I'm calling that chach weasel's bluff, theres no way he fought that bear himself

Chach Weasel by wterving April 10, 2011

British Weasel 

A redhead young boy who has lots of freckles and a pure British accent.

Ron Weasley is technically a British weasel since he sort of has a British accent.

British Weasel by mistersoul August 3, 2012

Homo weasel

A device (similar to those that apply spices) that allows one to apply homosexuality to a human being, or increase the general fabulousness of a given area or situation.

John: Hey Joe, Bob is acting a little straight today.
Joe: Hit him with the homo weasel.
John: Bam!
Bob: Fabulous!!!

Homo weasel by tsukisan April 28, 2013

snow weasel 

Snow Weaselling is when a girl gets licked out on a bed

Finn got caught Snow Weaselling Lucy

snow weasel by FoxPiss August 1, 2014

Fuck Weasel 

dick; penis. the infamous appendage. mammalian version of trouser snake.
a weasel-like protuberance used for-- what it says.

Why don't I like Dan? Because he's a fuck weasel -- and if you can't see that, so are you.

Fuck Weasel by Sadsaque November 28, 2015

Fuck Weasel 

Someone who weasels into your life and fucks you over big time.

Jordin will forever be known as a fuck weasel to the rest of his "friends"

Fuck Weasel by Screaming Banshee Original April 6, 2016

Fuck-weasel 

A person within your friendship group who acts like a two-faced little rat the majority of the time, but still manages to stay in said friendship group by the skin of his teeth despite the weasel-like behavior.

Hey, you know that guy that was in the CFNM porno? You know, the one that got sucked by a bloke? He's acting like a right little fuck-weasel again.

Fuck-weasel by BuBurnley66 July 12, 2017