Flying a kite is a slang term for anal sex. A male simply asks a female if she would like to fly a kite with them, sounds romantic right? most girls arnt familiar with the slang term. So if she says yes, you're golden!
Getting high or the action of getting high. Specifically, getting high on Cannabis. The act of proceeding to get high before being high. Thus, ‘High as a Kite”, which is the result of flying a kite to get the kite high to begin with.