Origin uncertain. Compare Scots lounder (“to deal heavy blows on, thrash”).
loun (third-person singular simple present louns, present participle louning, simple past and past participle louned)
- (UK dialectal, chiefly Northern England) To beat; thrash.
From either Scots loon (“boy, lad”) or Middle Dutch loen (“fool, lout”).
loun (plural louns)
- (Ulster) boy, youth