fuffy

Pronounced: foofy.
A dodgy or suspicious action that goes against the rules.
Derived from the Swedish word fuffens, meaning hanky panky.

What? He slept with his best-friends girl, that's just fuffy!
or
When I asked him if I could get a refund, he started acting all fuffy at me. (ie: acting weird and not wanting to give a refund)
or
Man I saw some fuffy stuff going on in my neighbours backyard last night. (ie: I saw some weird-arse stuff happening).

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