Former NFL star Steve Smith UNLOADED on Jets defensive coordinator Gregg Williams after NY's loss to Denver on Thursday ... accusing the coach of being dirty as hell.
"If it smells like a pig, it looks like a pig and it's oinkin'," Smith said, "then guess what my friend, it's a pig."
Broncos players were irate at the end of "Thursday Night Football" ... after Jets players hit Denver QB Brett Rypien late AND hard, despite the game essentially being over at 37-28.
Things got so heated ... Broncos head coach Vic Fangio told his players to ignore postgame handshakes and go "straight to the f*cking locker room!