RNS is an acronym which stands for "Real Nigga Shit". This acronym is popular in social media networks and is often used as a hashtag in social network sites such as twitter and facebook as #RNS. Real nigga shit is slang for anything that's usually common street knowledge or popular with ghetto people. After someone say something that's common street knowledge, the individual will either put the hashtag "#RNS" or "Real Nigga Shit" at the end of the statement.
|Every n*gga have plastic bag full of plastic bags #RNS
|I don't eat out random girls, Real Nigga Shit!
|I'll never wife a Ho #RNS|