To sugarone's anus, either in a hair-removal capacity or as a foreplay activity.
I'm so glad I got a Rhiannon done on my undercarriage before my bigdate." Or, "My new girlfriend is really into food play. One more Rhiannon and I'm going to develop diabetes for sure.
Rhiannon is a friend to two extremely cool people. She is very kind, pretty, funny, outgoing and sexay. She is also a good horse rider but smells of digested cheese.
Person 1: 'Hey look, its Rhiannon!'
Person 2: ' I know, I can smell her from here!'
Basically an attention seeking thot that goes on servers and gets attention from meme lords, and 12 yo. In the process acting as a thot would and getting someone in shit with the police.