Adjective describing guys who use shady and sometimes creepy techniques to pick-up girls at bars. For example, inviting one girl to a giant "afterparty" at the guy's apartmentupon the bar's closure, but not telling anyone else. Or stealing the girl's keys so she has to stop by the apartment to pick them up.
He invited me to an afterparty at his place, but thenthere was no one there but me and him. That's so lobo.