quid S2 /kwɪd/ BrE AmE noun ( plural quid ) [countable] British English informal
[ Date: 1600-1700 ; Origin: Perhaps from Latin what 'what, something' ]
1 . one pound in money:
She earns at least 600 quid a week.
2 . be quids in to make a good profit:
If this deal comes off, we’ll be quids in.