Meaning: Shut The Fuck Up! used when instant messaging
Used in the IMing world: "You stupid bitch!....STFU"
Comes From Shut The Fuck Up
Guy 1: Why are you being a pussy today?
Guy 2: STFU!
Southern Tenant Farmers Union. Formed in response to FDR's agricultural policies during the Great Depression.
We learned about the STFU today in history class.
One day I went to school and some people were protesting with signs that said "STFU." I asked them if they knew what it meant and they said it meant save the flying unicorns.
Save the Future Undergraduates
Help STFU! They are the our next generation's future.