A fork of Rural Dictionary
Spanish for "it surprises", when someone is unfamiliar with a common thing/notion/occurrence, usually used in a derogatory sense. Can be an adjective or a noun.
The apocraphal story of George H. W. Bush's sorprende experience with bar code scanners--he was reportedly amazed by the technology in a modern grocery store, because of his "elite" status. Snopes says it is false.
Back Of the Envelope, a rough calculation, said to be made in a hurry on the back of a scrap of paper, see BOEC
How much is gravity on the moon? My BOE calculation is about 1.6 m/s/s