Antonio Brown ain't playing in the NFL ... but he's trash talking like he still is -- the WR is going after Eric Weddle on Twitter, calling the L.A. Ram a "dummy" and a "jabroni."
Brown's been active on social media Thursday ... and one of his tweets in particular sparked a feud that involved Weddle AND New York Giants receiver Golden Tate.
Here's the deal ... AB tweeted "The game need me I'm like test answers." Tate responded, "What???"
Weddle jumped into the conversation, writing, "Def dont." Weddle also wrote to a fan who said he couldn't guard AB, "Dont need to.