"Doing single" is a term most people with social media know. It means that you can post a picture saying, "I'm single, date me" on like snapchat or something, or if someone asks you if you are single, you can say yes. If you are currently talking to someone, but you aren't cuffed, the person you're talking to might get angry if you're still doing single.
Joe: damn sexy , you single?
Stephanie: yupp
(Stephanie is doing single.)
When one is single to the extreme and needs to be eaten like a snack while singing "All the shingle ladies, all the shingle ladies"
Denise is single as a shingle and gets eaten like a pringle
Girls love him but he doesn't love girls he is a furious guy who loves to chill with the homies
Vithursan is a mourattu single