TBDE 

It stands for, The Best Day Ever.

We are going to have TBDE at the mall.

TBDE by tamira75 September 10, 2009

tbdesu 

used by people on 4chan to show they're using desu intentionally, and not that the filter had auto-replaced "tbh" with "desu" in their message

anon: you should kys tbdesu
other anon: ok

tbdesu by INSTALLGENTOO March 25, 2024