the GNU version of the Collaborative International Dictionary of English
adj. Not having or wearing a shirt.
The Century Dictionary and Cyclopedia
Without a shirt; hence, poor; destitute.
Word Usage
"And whether a 16-year-old boy wearing makeup and appearing (if it's true) "shirtless" is of as much concern as Miley Cyrus's new mature (read: scantily-clad) persona or the "Glee"/GQ photo spread kerfuffle."