Nut-cutting time phrase
A defining moment; a critical period when decisive action is needed; a limited period when one must exert himself/herself.
For a student like me, May is nut-cutting time because it’s when we have our final exams.
Guys, it's now nut-cutting time. Please, focus on your work and make an all-out effort.
John seems to always win the game in nut-cutting time. He is such an elite quarterback!
The phrase refers to having to cut a nut off or away from a bolt because rust has immobilized it to the point where there's no other way to remove it.
Someone who is totally bad at doing something.
Mary really can't sing for toffee.