Chad Johnson totally tore it up at the skatepark on Friday!!!
JK. He ate it. HARD.
For reasons unknown to TMZ Sports, Ocho thought it'd be a good idea to hop on a board with no gear ... and pull up on a ramp WHILE SMOKING A DAMN CIGAR.
As the video shows, it didn't end well for the former NFL superstar -- who ollied right onto his ass.
Let this be a lesson, kiddos -- don't smoke and shred. It's not good for your health.