A slash pairing (male/male) consisting of new Hawaii 5-0 charactors Daniel "Danno" Williams and Steve McGarret
You can find Fanfictions written about the pairing and even Alex O'Loughlin, actor who plays Steve, said they'll be the bromance of the decade
Gril 1: Did you see the episode last night? When Danno made a heart to steve?
Girl 2: Yeah, that was totally McDanno! I gotta find gifs of that!