10:25 AM PT -- Jameis just issued a public apology to his coaches, school and teammates ... calling his actions "selfish."
He added, "That’s not how you do things around here."
Florida State quarterback Jameis Winston has been suspended for 1 HALF of FSU's game versus Clemson this weekend for screaming "F*** her right in the p***y" right in the middle of campus yesterday.
Several students tweeted about the incident Tuesday -- saying the Heisman Trophy winner stood up on a table and screamed it from the top of his lungs ... while people around him cracked up.
Of course, the phrase has become an Internet sensation in the past few months ... with hecklers often screaming it behind news reporters who are in the middle of live news shots.
It's just the latest in a string of problems for Winston -- who was convicted of stealing crab legs earlier this year ... and last year, had the cops called on him for allegedly stealing soda from a Burger King.
Of course, he was also accused of raping a student ... though no charges were ever filed against him.