Chip dumping in poker is something players need to be aware of in order to avoid being cheated. It occurs when a player loses a hand intentionally to another player at the table with the intention of giving them their chips.
Chip dumping is a type of cheating in poker. It is a very bad action and can get you banned from almost any casino or online poker room. Typically it happens the most in tournaments so that the player aided by chip dumping gains an advantage to give them a greater chance to win.