ἄπαγ' ἐς μακαρίαν
From LSJ
εἰ μέντοι νόμον τελεῖτε βασιλικὸν κατὰ τὴν γραφήν, Ἀγαπήσεις τὸν πλησίον σου ὡς σεαυτόν, καλῶς ποιεῖτε → Now if you're accomplishing the King's Law according to scripture — Thou shalt love thy neighbour as thyself — you're doing the right thing (James 2:8)
English
get lost, buzz off, on yer bike, bug off, bugger off, clear out, clear off, take a hike, beat it, scram, get out of here, get outta here