be (right) up (one's) arse(redirected from be right up their arse)
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be (right) up (one's) arse
rude slang To be driving too close to another car. Primarily heard in UK. Why is this guy right up my arse when I'm already going over the speed limit?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.