It means that you 100% mean no but..
Two negatives make a positive therefore
I am trying to just do mixed physiology on you but really I'm doing mixed mixed physiology or maybe I'm not?
Person V:Wanna have a picnic with me and Zoe?(Zoe is a girl who loves eating sandwiches)
Person L:NAHNOPE
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi