|1.||drive by conversation|
Usually happens on an instant messenger. A person will quickly sign on, leave you a rude remark, and then sign off before you have the chance to respond. It'd be harder to do in a person to person conversation because you could easily kill them.
computer message SoAndSo123 has signed on
SoAndSo123: You're gay
computer message SoAndSo123 has signed off
Me: Damn I've just been in a drive by conversation!