when the chips are down
When the pressure is on; when the situation is urgent or critical.
He wasn't a very talented musician but, when the chips were down, he played well.
noun
A carpenter.
But the Saturday-night bottles were not all. The carpenter and cooper, in sea parlance, Chips and Bungs, who were the "Cods," or leaders of the forecastle, in some way or other, managed to obtain an extra supply […]
I began a new branch of experience by going to sea as a 'chips.'
name
Traditional nickname for someone whose surname is Carpenter.
noun
Acronym of cookies having independent partitioned state.