Tdey Share definition Flag Tdey Is Derived from a new era of pronunciation a form of the word They, Slangspelling for They. Person: Tdey are unhappy with your success.BY: GiovanniDYMillyentei Tdey by MillYentei DYSlick September 6, 2020 0 0 Get merch Get the Tdey mug. Buy Now — $32.95 See more merch