black tunnel 

The apparent shape made by a little black party dress when you wake up to discover you've only managed to get it half way over your head before drunkenly passing out.

"I woke up in the black tunnel again."

black tunnel by zzzgrl January 23, 2009

black tunnel vision 

When black people only agree with things because the person who did it or said it was black.

Black tunnel vision got Obama elected

black tunnel vision by KA_knight2010 October 16, 2013