If you are doing something you shouldn't be doing, and don't want to get caught, you will attempt to do it "no key", trying not to draw attention to your actions.
1. To get on stage at karaoke and not sing. 2. To sing out of tune at karaoke. 3. Someone who gets on stage and karaoke and doesn't sing. 4. Someone who gets on stage and karaoke and sings out of tune.
"I can't even hear her. I thought you said karaoke, not carry-no-key." "The way this carry-no-key sings it, I can't even tell what song it is."
The Nokia Effect (n): "NO-key-ah uh-fekt": its dark out at 5pm, my phone is free at night, its dark at night, therefore my phone must be in night time free minute mode at 5pm, not true says my $250 cell bill)