SDNF 

Simply Do Not Fucks

Friend 1:This nigga is so fake, he talks shit about his boys and then tries to be chill with them the next day.
Friend 2: SDNF my g

SDNF by TwoSmoove December 4, 2011

sdnfgljsadj,mkafoebnsd; 

when you are mad at something and you press random keys

Guy 1: Im mad.
Guy 2:How sad.
Guy 1:sdnfgljsadj,mkafoebnsd;
Guy 2: Huh

sdnfgljsadj,mkafoebnsd; by Splashcoaster December 10, 2014

sdnf90sadf'dsg0df 

"sdnf90sadf'dsg0df" Means that a person is simply going insane.

someone in twitter: hey did you know that your post is bad
the user that posted the tweet, replying to the comment: sdnf90sadf'dsg0df

sdnf90sadf'dsg0df by Furrop March 4, 2022