Australian slang, short for 'shut the fuck up you cunt'. More or less the same as any Australian slang with the word 'cunt' in it, it's meant to be used casually or by some dumbcunt to sound threatening.
Bazza: Stevo did you take my durries ya dumcunt?
Stevo: *on phone, doesn't give a shit*
Bazza: Oi mate I'm fuckin talkin to ya-
Stevo: FUCK UP CUNT! Git off ice, throw the first punch!
When and individual becomes so enraged with a person or group of people that the enraged individual shouts incoherent profanities, truths about the other party that would never be said except during and uncunting situation. Additionally a loud proclamation of being right, the other person being a total fuck up and should suck a prick and die.
Jonnytold Adam that he was running off to Vegas to marry the pool boy. Adam immediately became uncunted.
A fictional disease attributed to bitchy girls as an attempt to explain why they are the way they are.
Commonly abbreviated as SUCS.
Bitchy girl:
"I'm going to act like hot shit even though I'm not very attractive, then I'm going to get drunk and be a complete cunt to everyone that isn't a hot guy."
Observers:
"Looks like she's got Stuck Up Cunt Syndrome."
An emotional condition caused by an accute and total breakdown of all normal, logical and reasoning skills caused when a women suddenly becomes so pissed off that she loses all self control (i.e. emotions, bodily functions, mouth, etc.) This condition is usually caused by someone of the male gender or a co-worker (male or female).
"Man, when my wife found out how much I spent last night at the bar, she was uncunted!"