Quote Originally Posted by Mar View Post
Gotta be nonito...... fernado's legs floppin on the ground like a turtle stuck on his back
It's known as fencing, or the Fencing Response. A clear indicator of an immediate bad concussion (obv) and fairly common in sport. Often after hard KO's we see these guys and think, wtf...still trying to throw punches? but really it's this...

Fencing response - Wikipedia, the free encyclopedia

check the similarities in various sports: