Placing one's arms behind one's head, in pin-up model style, revealing the armpits, ostensibly creating the illusion of 'sexiness.' Also used by Paris Hilton and Kim Kardashian, as well as millions of MySpace girls.
from hautegossip.blogspot.com: "Stupid Beyonce Pose Number 57: No one needs to see your pits, Beyonce."
by PhotoCindy October 15, 2007