(UK, idiomatic, vulgar, colloquial, dismissal) Go away.

(idiomatic) unexpectedly; without warning or preparation.

(idiomatic) Of parents not legally married.

Known but not quite remembered.

(idiomatic) What is the purpose or advantage of

(US, idiomatic) From the start; immediately; right away.

Of a person: in fortunate circumstances, especially having financial security; comfortably off. / Of any item, in a good position or circumstance.

A country in Central Africa. Capital: Brazzaville.

(idiomatic, transitive) To spend more time and energy on some task than it warrants; to make something overly complicated; to make a big thing out of. / To eat something as a meal.

A unified body or collection of knowledge regarding a specific subject.