Meanings of "beat it"
"Beat it" is thetithe of a well-known song by Michael Jackson.
Colloquial/slang expression asking someone to go away, usually in a threatening way.
"Beat it, buddy, or I'll give you a thrashing!"
Similar expressions: take off, hit the road, get lost....
Examples; "Hit the road, Jack"
"Hit the road, Jack, and don´t you come back no more, no more, no more"
приказание или совет покинуть помещение: убирайся!, пошёл вон!, отвали!