GOIN' DOWN
Terrion Arnold's crummy January got a whole lot worse on Thursday ... when he took a scary tumble down a flight of stairs at his house.
Just days after the Detroit Lions cornerback lost a massive playoff game to the Commanders, he nearly hurt himself while heading down some steps ... and the fall was all captured on one of his home's video cameras.
Arnold actually posted the footage to his social media page ... and you can see, just as he gets to the top stair, he slips, and then slides the whole way down to the bottom.