Citations:McDanno

Proper noun: "(fandom slang) the ship of characters Steve McGarrett and Danny Williams from the 2010 television series Hawaii Five-0"

 * 2019, Bertha Chin, "When Hated Characters Talk Back: Twitter, Hate, and Fan/Celebrity Interactions", Anti-Fandom: Dislike and Hate in the Digital Age (ed. Melissa Click), page 303:
 * In the H50 fandom, the pairing of McGarrett and his partner, Danny Williams (known collectively in fandom as the McDanno pairing), in the elite Hawaiian law enforcement team, Five-0, is the most popular.