Tom Brady couldn't help but laugh his ass off at seeing Bill Belichick cuss out Minnesota's star wide receiver on Sunday ... saying, "That was pretty funny."
During the Pats win over the Vikings ... Adam Thielen flipped out at Belichick for challenging a close spot in the 4th quarter -- to which The Hoodie replied, "Shut the f*ck up!"
Brady couldn't help but chuckle at the whole scene ... telling WEEI's "Mut & Callahan" show, "I’ve been on the other end of that a few times in my career.