an expression used when you are flabbergasted at someones actions.

Who fucking knows anymore? First, it meant factual, and now it means fictional. What the fuck, internet... what the fuck?

blimey

Barrère and Leland's A dictionary of slang
by Arthur Morrison

1 exclamation - god blind me. something surprising enough to make one wish they were blind so that they cant see such things.

2 also used as an extra offensive version of limey. it's extra offensive because british are always so down on americans and our love of slang. basically blimey is a thumb in their eye that they have no ground what-so-ever to stand on to justify their inborn doochbaggetry nature.

Exclamation of shock or surprise, with a sense of understatement, irony or the inevitability of disappointment.

Often used in response to a setback or depressing news, with a hint of resignation in the face of life's hardships.

Colloquial British English. Also common in Australia and New Zealand.

Variation: Cor blimey.
Similar to crickey.

Blimey is a short word of "blind me" or "oh dear" It's used when something goes wrong, etc.

signies disgust, usually said when something goes wrong.

A pair of bristols so magnificent that one is compelled to exclaim "Blimey!"