sorprende

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.

piece of ass

generally, any female person

you're a piece of ass, what does that make you, special?

totally girl powered

a feminist who relies on no man

BOE

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

FOCLMAO

Falling Off Chair Laughing My Ass Off

See focroflolmfao

TG

Acronym for "Thank God"

At least I escaped with a couple fingers, TG

FOCLMMFAO

Falling Off Chair Laughing My MotherFucking Ass Off

See FOCLMAO, LMMFAO