The bad employee came clear, and told his boss he had been stealing from the company.
A British police euphemism meaning to keep out of trouble, commit no crimes
This idiom means to confess and admit to whatever you have done wrong - to start over with a clean slate.
"To come off" can mean several things. Accordingly such a sentence should be created based on that meaning. For example "the ink on that shirt is not going to come off easily." "I don't mean to come off strong, but I am smitten of you." "She is going to come off the stage shortly. When she does so you can tell her. " …And so on.
No, I cannot.
Right away is not an idiom - it means exactly what it says. Something happens or will happen immediately.
From the sport of wrestling.
do you mean you think it didnt come from a dairy & veggie farm
I'd say that's more of a true statement rather than an idiom. Prices never DO come down - they always go up.
An idiom is a phrase that cannot be defined literally. Nut is a word, not an idiom. It is a Germanic word.
It's not an idiom - it means just what it says. Something took "no" time to come about. It's an exaggeration, but the meaning is plain.
don't reveal a secret
to come up with new ideas