it's pronounced as ased-fod-fod-af-hed-a-fuh-de-suh-dus-de-fa-hused-hud-fe-hud-sah-ud-saf-hu-paf-duh-de-fa, and it's a curse word in an alternate dimension.
asfdfdsd is a "Keyboard smash" mostly used by E-Girls to portray a cute way of confusion. Users of this phenomenon will most likely also use the wordsbaka and uwu quite often