|Origin:||Perhaps from roger 'beggar pretending to be a poor student' (1500-1600), perhaps from Latin rogare 'to ask'|
a man or boy who behaves badly, but who you like in spite of this - often used humorously:
What's the old rogue done now, I wonder?
a lovable rogue
2 British English old-fashioned
a man who is dishonest and has a bad character