tempting fate
when a person is on the very brink of soiling him/herself while at a bookstore or library (see: turtlehead) but nonetheless takes the time to peruse various magazines and books in an effort to find the best available reading material for the time he/she intends on spending in the public toilet.
Let's see, New Republic, the Onion, Rolling Stone, errrrrg!!!, tempting fate, tempting fate, Time Magazine, ....