Scottish (mainly West of Scotland) term for a child. Derived from wee-ane (wee-one or little-one) Similar to Bairn
How many weans have you got?
=How many children do you have?
(Scottish): Brats, bairns. Wee sooky bastards. Children.
In the Scottish vernacular, wean is either from the words "wee ane" (meaning small one), or something to do with weaning the wee ane aff the milk.
"Oi, wid yi git 'e wean awae fae 'e TV afore he breaks it?"