DictionaryblimeySurprise or annoyance
interjection

blimey

BLY-mee/ˈblaɪmi/

An exclamation expressing surprise or annoyance, or adding emphasis.

Blimey!” the woman exclaims as toast springs from the toaster.

A woman recoils in startled surprise as two slices of toast spring from a toaster, her eyes wide and mouth open in an involuntary exclamation.
Etymology

The pieces probably come from the oath “(God) blind me!” This call for blindness upon oneself became an exclamation of surprise, shock, or mild annoyance.

In context

Chronicle - Medieval History Documentaries21:40
The water is over 20 ft down. Blimey, that is That is deep.
What It Was Like To Live On A Medieval Farm As A Peasant | Tudor Monastery | Chronicle

More examples

  • The British character says “blimey” when he sees the bill.
  • Blimey, you're early,” she says, opening the door.
  • He mutters “blimey” after missing the train.

Similar words

wow
A more usual American exclamation of surprise.
good grief
Expresses dismay without the distinctively British flavor.