Introduced by the third Earl of Spender in the early 1900's. If you have a hair across your arse you are in a fould mood about something. AS if something is interfeering with your shit.
You've only got a hair across your arse because I wiped my dick on the curtains!
by Alan Muir May 11, 2006
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To get off your backside and start doing what you're meant to be doing instead of just sitting around.
Mate, get your arse in gear - you're going to be late!
by jessindia December 18, 2009
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Australian version of "stick/shove/ram/cram/jam/poke it up your arse"
Belt it up your arse: "When the mechanic told me it was gonna cost five hundred bucks to fix me car, I told him to belt it up his arse."
by Choda Boy 57 August 15, 2006
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The state of being too wound up by a minor annoyance.
Fuck mate, I can’t believe you missed by birthday!”
“Look, I missed the bus. Wine up your arse.”
by Silly bob248 October 4, 2018
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To speak bullshit to someone in a complimentary way. Commonwealth "arse" spelling preferred, as this expression probably has a London origin.

Usually expressed in the negative, by someone professing sincerity.
I'm not going to blow sunshine up your arse, Peter; you're the second-best of the surviving Doctor Whos.
by Fnordicle January 11, 2008
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To harbour an inflated opinion of oneself.
As in “That lad David Beckham. He farts higher than his own arse”.
by Gaz Farrell August 28, 2003
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