the rum pumpkin is similar to the gin bucket. basically, you just take a plastic toy pumpkin and mix drinks involving rum in it.
this was originated at northeastern university.
Mike: Dude, we've got alot of rum laying around, and a plastic toy pumpkin. What can we possibly do with this?
Kyle: Sounds like a rum pumpkin kind of night to me. Throw some apple cider in there and lets get to work.