blow a hole in
blow a hole in something
if you blow a hole in someone's opinions or arguments, you show that they are not true or right Bloodstains on the sheets blew a hole in the defence's argument.
blow/make a hole in something
if something makes a hole in an amount of money, it takes a lot of that money to pay for it The trip made a hole in our savings, but it was worth it. The new tax is likely to blow an enormous hole in our profits.See blow a hole in, need like a hole in the head