TYDD

"TYDD" is an abbreviation for "Thank you DustyDirk," it is commonly appended to the end of comments on DustyDirk's YouTube channel. Possibly inspired by Lil B's "TYBG"

DustyDirk: HUMBLE.

Thousands of screaming Dirkamaniacs: THAT'S MY GOAT!!!!!!! TYDD!!!