From: THE PRODUCTION LINE, Nature news feature

To: All those who advocate “junk” DNA/RNA in any shape or form

The doubters, [John Mattick] says, “keep regressing to the most orthodox explanation [that the long RNAs are junk]. But they can’t just sit on their intellectual backsides and tell us to prove it.”

– John Mattick (..a long-time advocate of non-coding RNA’s importance..), the director of the Centre for Molecular Biology and Biotechnology at the University of Queensland in Brisbane, Australia

I think the term “intellectual backsides” is particularly pertinent.