(v.) 1. To unload all of one's excess loot. e.g. "Guys, I'm overloaded - I'm gonna head back to town and dump. 2. To drop a train on an unexpecting group - usually at a zone point. e.g. "I was medding in CB cave, when some scrub decided to dump Lord Darish and a half-dozen legos on me. Anyone got a sponge?"