Derogatory term for a female that is miserable, bitchy, hates everyone, hasn't had sex in years etc. Such as a headteacher/principle at school for example.
I got caught skipping school last week and old vinegar tits has given me another detention.
A plate of brown consists of foods that have little to no nutritional value, and are typically deep fried. A true plate of brown will also be accompanied by a dark soda.