Terribly. The phrase is used as an adverb to emphasize just how bad or intense something is. Thank you for taking out the trash—it sure smelled something awful!My ankle has hurt something awful ever since I slipped on the ice.
I can't seem to remember anyone's name. (Said as an apology to someone whose name you have forgotten.) I'm terrible at names. Please tell me yours again.Haven't we met already? I'm awful at names.