Phrase used to describe BAD times/events that may have been a chain reaction of negative occurrences.
GD: Dude, i cant believe i lost my wallet, the last time we hung out i had a flat tire, the time before that i lost my keys! When your around its like "Bad Magumbo"!
Bova: Every time i hang out with that cat the night goes south for the winter, he is "Bad Magumbo"!