IPA: /wiːn/
KK: /hwi:n/
A large number or amount of something.
There were a wheen of people at the concert last night.
The word 'wheen' originates from Scots, meaning 'to move or to go'. It is often used in the context of asking someone to go or to move along.
Think of the Scots word for moving or going — that's how 'wheen' relates to the idea of asking someone to move along.