What is Doing A Ravi?
1.
a) doing something very stupid
b) blowing all your money on a particularly poor hand of poker
Named after a relatively infamous London gambler, who was a minor Metro celebrity for several weeks and well known for a deluded self belief that he could play poker well.
'Man, I just lost all my cash at poker!'
'How?'
'I was doing a Ravi!'
'You spaz'
See