Green’s Dictionary of Slang

spending money.

1995		J. Cameron Vinnie Got Blown Away 93: Don’t think I’d waste my spends else do you?
2002		J. Cameron Hell on Hoe Street 168: Jamil Khan Jamal was after big spends off Kamran’s bosses for his ransom.
2011		J.J. Connolly Viva La Madness 43: I left Eve plenty of spends.