taken from Soulja Boy's song 'Yahhhh!', DDHD is an acronym for 'Doo Doo Head Dummy'. it's a fun and easy way to insult someone to their face and have them not know exactly how mean you are being.
Preppy Loser: Oh ehm gee, like, you're such a fricking prude.
Normal Person: Bitch.
Preppy Loser: GASP! Ms. Cassidy! She called me a bitch! Give her saturday detention!
Preppy Loser: Oh ehm gee, like, you're such a fricking prude.MLIA
-er: Oh, well, at least i'm not a DDHD.
Preppy Loser: ugh. loser.