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 have splinters up your arse, usually as a result of fence-sitting.
Often used in relation to someone who is bisexual.
Jim: Rory's been spreading rumours bout you
Ben: You serious?
Jim: Yeah mate, he's been saying you got splinters up your arse.
Ben: Me? I'd rather be emo, wait, they're the same thing!
by Lukus McTaggert April 11, 2008
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