code word for bootycall. A term to be used when in front of people who dont need to know your business. instead of saying come over to fuck you say swang thru because they are swangin through for sex and not to hang out.
Angela: hey I was horny as hell and couldnt sleep. You were the first person I thought of, is it cool for me to come by for a quickie tonight?
Shaun: Sure give me about an half hour then you can swang thru.