In rugby when at least one player from each team binds onto the player with the ball when he/she's standing. They each try and drive that person in the opposite direction. This usually results in a ruck or scrum-down.
When you talk too damn much, offering up self congratulatory stories for no reason. When a guy runs away with a conversation and uses every opportunity to big himself up(i.e. to make oneself look better)To embellish.
Yo I was talking to him about the Game, and he started kickin' madbobo about how he used to Dunk on Stephon Marbury