stands for dragon dagger super poison, on runescape. you have to have 60+ atk to weild, and u have to have done lost city of zanaris quest. it does awsome damage and pwns noobs by poisoning them first, then owning them with special atk.
me: im a noob want to help me explore the wildy?
other noob: sure (thinking since i dont have a wep out i suck)
i whip out a dds, and two hit him
noob: oh no! a dds! ahhhh! you noob!
Dead Dick Syndrome. This is the male version of menopause. When you become older (40's and so on) your erections will lose its stamina while being in bed with your partner.
Jan: Damn, Todd. We've gotta do something about your DDS.