Person 1: Hey, Want to do some gasheous exchange?
Person 2: Okay then, I only have £10 and a dirty girl at the moment though.
Person 1: Thats fine, add them together and we can find you something decent.
gashlocks (noun.) a synonym of chastity belt for the digital age based on word play between: 'caps locks', found on most keyboards and; 'gash', a defamatory slang word for the female genetalia.
"I suggested we engage in online sex but she put on the gashlocks!"