Being drug on the ground clinging to an appendage while trying to tackle someone.
Being crushed, or ran over by someone while engaged in sports, particularly American football.
Being thoroughly embarrassed or humiliated by an opposing team member while participating in sports.
Originated in a NFL preaseason game where New England Patriots Tight End Rob Gronkowski drug Linebacker James Laurinaitis 5 yards along the ground while he was holding onto his leg. The play resulted in a touchdown for the Patriots and humiliation for the linebacker from Ohio State University.
Did you see that dude get Gronked? Wow that was awesome!