A young chav who socialises around the bann with lots of other chavs for the sole purpose of becoming intoxicated on alcohol, ketamine, MDMA and various other substances. A bann rat can be aggressive and unpredictable. A common bann rat phrase would be " Yo Bai pay ye a fiver for a line la". The Bann is an anti-social area within Northern Ireland. They do not often pay their debt to drug dealers.
by GyammonFast November 25, 2019