pusher

Someone or something that pushes.

A person employed to push passengers onto trains at busy times, so they can depart on schedule.

A girl or woman.

‘You should a seed some o' the pushers. Girls o' seventeen painted worse nor any Gerties I'd ever knowed.’

A drug dealer.

But the pusher don't care / Ah, if you live or if you die / God damn, the pusher / God damn, I say the pusher

My campaign against drug will not stop until the, until the end of my term. That will be six years from now. Until the last pusher and the last drug lord are – [applause]

An aircraft with the propeller behind the fuselage.