a combination of "black" and "jeans", not acceptable attire in reasonable crowds; may be acid-washed or otherwise-washed in a non-appealing way
I wanted to wear my favorite jorts two days in a row, but the coin-op laundry was out of order, so I had to put on my best bleans.
by Another Amy January 07, 2010
Expression of disappointment or dismay
No bacon for me, I'm on a diet. Blean.
by Anonymous October 28, 2003