tro-down Share definition Flag 1. a slang term the people use amongst each other to warn when a law enforcement officer, cop, police, security, etc are within the same area, street, etc that they are in. 1. (example for definition 1)"Hey guys, you better put the alcohol away, because tro-down." tro-down by Blkspyda June 20, 2010 0 0 Get merch Get the tro-down mug. Buy Now — $32.95 See more merch