Usually used in the past tense as an adjective. State of being embarassed by your own actions, perhaps by a sly plan that backfired, hoisted by your own petard.
Used in Northern Ireland. Not to be confused with the Sxcttish Scunnert
Sure he thought he was pulling a fast one but now he's the one thats totally scundered.
Scunder is a word used in Northern Ireland. It is usually used in the past tense 'scundered' as an adjective, although similar in sound to the Scottish 'scunnert' it has its own specific meanning. A neat little phrase sums it up, 'hoisted by your own petard' It is often a personal retort, "That's you totally scundered", perhaps by some sly plan that has backfired.
He though he was being the smart one but now it's him that's totally scundered!