British Whoop A$$
British Whoop A$$ (southern London pronunciation [wup-ass] Northern England pronunciation [whip-ass]) has two common meanings.
2- a colloquialism used as a synonym for mild, half hearted spanking accompanied by non-offensive verbal trash talk in a British accent.
Opening a can of British Whoop A$$ is not dangerous but has been known to induce laughter from American forensicators and occasionally a mild rash.
Scientific note: No "a$$" is actually harmed in a British whoop a$$.