Cam Newton threatens to ‘slap the s--t out of’ heckler at Auburn-Alabama game (VIDEO)

Riding high after beating the Cowboys in Dallas on Thanksgiving, Cam Newton was back in Auburn Saturday to watch his Tigers take on Alabama in the Iron Bowl.

But while walking to Jordan-Hare Stadium, Newton — who quarterbacked Auburn to a national championship in 2010 — became the target of of some unexpected heckling.

A fan can be heard on video yelling "180K!" at Newton as he walks through the crowd, a reference to the quarterback's alleged college recruiting payoff. Newton was not pleased, and responded with an expletive laced threat.

"I'll slap the sh-- out of you!" Newton says, turning and pointing at the fan.

While Newton was still in college, numerous reports claimed that his father, Cecil Newton Sr., had asked schools for large payouts in exchange for Cam's services. A former Mississippi State player even told ESPN that he witnessed Cecil Newton informing Bulldogs coaches the program would need to pay between $100,000 and $180,000 for Cam to commit there.

Looks like it still touches a nerve with the NFL star.