Quid
Quid is a slang term for the British pound sterling, used primarily in the United Kingdom and Ireland. In informal speech, one quid denotes one pound, and the term is commonly used in pricing and conversation, as in “twenty quid.” The official unit is the pound, with 100 pence to a pound, and financial or governmental references use the formal name rather than the slang.
The currency in use includes coins and banknotes. Common coins range from 1p to 2£, and banknotes
Etymology for quid is uncertain. The term has been in use since at least the 18th century
In addition to its monetary sense, quid can refer to other concepts in English. In Commonwealth usage,
Overall, quid is primarily a familiar, informal synonym for the pound used in everyday conversation, distinct