16 bars off the noggin
Noun. Slang. Literally means 16 lines of rap music off the top of your head.
Hey bro! Sup? Gimme 16 bars off the noggin! Wym? I mean gimme 16 bars of rap music off the top of your head!
off the noggin
Someone who is under the influence to an extreme.
Friend: Wow did you seen Tim at the party? He was so drunk!
Me: I know he was off the noggin.
Me: I know he was off the noggin.