In the Netflix Series Bridgerton there is a scene where a man who is a bet taker has to pay out winnings. He states “I merely need two days to raise the blunt” here blunt means money
Looking through a few websites it’s apparently a known British slang word for money.
Formerly a term used in reference to a cigar, but in today's stoner society a blunt is now a cigar thats tobacco has been replaced with marijuana. People like to smoke blunts because you can smoke more than you could with a joint.