Ungenaphi?
An African proverb (apparently), is taken from Xhosa and directly translate to "where do you enter?". It means how is that/this any of your concern?
Guy: I don't like the fact that you smoke.
Girl: Ungenaphi?
Bottle Kop
A bottle kop is a broken glass bottleneck that is used to smoke weed like a pipe.
I'm tired of this rolled weed, let's use a bottle kop.