It means you have to suffer the consequences of your actions; to pay the price for your crime; to deal with the problems you've created.
Yes, both mean to take your punishment or face the consequences of your actions.
To "fly in the face of" means to go against something. Example: Your actions fly in the face of our agreement.
"A piece of cake" "A cakewalk" "No problem" "Easily done" "A pleasure"
You misheard. It says "idiot".
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