in tarnation?(redirected from who in tarnation)
Used as an intensifier after a question word (who, what, where, when, why, and how) to express extreme confusion, surprise, or aggravation. Primarily heard in US. And just how in tarnation am I supposed to have three reports done by 9 AM tomorrow? Where in tarnation did you find that rusty old car? Who in tarnation is making all that noise?