Definitions
1.NounThe act or process of damnation or reprobation; hell."What in tarnation is going on?"
2.NounSomeone or something that causes trouble; troublemaker.
3.InterjectionUsed to express anger, irritation, disappointment, annoyance, contempt, etc.
4.AdjectiveBothersome; devilish.
5.AdjectiveGeneric intensifier.
6.AdverbVery; extremely.