Cole Beasley's wife WENT OFF on some haters after her Dallas Cowboy hubby muffed a punt on Sunday -- telling trolls to "shut the f*ck up" and "eat a d*ck."
It was epic ... with Kyrstin Beasley blasting critics -- "Your f*cking stupid if your going to blame that whole game on him. Get your life right."
She told one person, "Shut the f*ck up talking to me with that bullsh*t do not ever mention me again ... "while your at it, eat a d*ck, bitch."
But a short time after the rant, captured by our friends at BSO, Beasley backed off -- issuing an apology.
"I apologize to all the fans. I must be better. Thanks for all the support from the true fans. You know who you are."
She added, "I was in a moment of weakness and made the mistake of entertaining the twitter trolls and for that I apologize."
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