to stand in the way of something that will benefit someone.
to screw someone that is already doing it tough.
I asked my boss for a payrise, but his managed ended up Turnbull'n it.
I was one day late making a repayment on my mortgage, and the bank charged me extra fees. They are such Turnbulls.
Named after Malcolm Turnbull, former journalist, lawyer, merchant banker, Australian republican campainer and leader of the Australian Liberal and National Party Coalition.
Dont worry, we can always pull a Turnbull.