You Obviously Love Old! Fabulous version of the traditional "you only live once" cliche. Mostly used to criticize or express ones disappointment with another, but definitely not limited to.
Roommate 1: Was that Alicia leaving your room this morning? Thought ya'll were done off?
Roommate 2: Yeah, you know I haven't met any new bitches since we split.
Roommate 1: Yolo.