A complete dick maneuver where you take a drunk chick who's on the rag and hook her up with someone else equally or more plastered. When they wake up in the morning they'll discover the sheets or couch they slept on to have a good amount of menstruation on them, hence red dawn.
Guy 1: Hey man, how was your night?
Guy 2: It sucked in a big way.
Guy 1: Why?
Guy 2: Dan hooked me up with some chick.
Guy 1: Why is that so bad? Was she ugly?
Guy 2: No. It's because I woke up this morning and my fucking couch had period blood all over it. Dan red dawned me.
Guy 1: That's a dick maneuverif I've ever seen one.
Referring to a specific sexual act performed between two lesbians, known as scissoring, can only be performed when at least one woman is mestruating.
Sandra and Michelle red dawn-ed last night.