οξύφρων

From LSJ

ἄπαγ' ἐς μακαρίαν ἐκποδών → 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

Source

Greek Monolingual

ὀξύφρων, -ονος, ὁ, ἡ (Α)
1. οξύνους, έξυπνος
2. δόλιος, πανούργος, πονηρός.
[ΕΤΥΜΟΛ. < οξυ- + -φρων (< φρην, φρενός), πρβλ. μεγαλό-φρων].