"Raw Arse"
The burning raw feeling in your ass crack from when you didn't wipe well enough and/or when you go too long with moisture between your ass cheeks, after a while your arse will get raw and it'll burn.
Noun/adj. A rase clart is someone who enjoys the sound of his/her loud engine as they speed past, they drive noisly and dangerously. similar to a ''barry boy'' however the term is broader as it applys to any vehicle and also movement on foot