Deca-douche Share definition Flag Adj. Used to describe someone that is 10x a regular douche. “Jackson gets on my nerves every single day, but today he’s being a total deca-douche!” Deca-douche by BusnMom April 16, 2024 0 0 Get merch Get the Deca-douche mug. Buy Now — $32.95 See more merch