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1.
A Gal's favorite pair of panties that she happily hands over to the bartender (to be put on display) or to the rock band, knowing she will never see them again!
Denise promptly removed her sacrifice panties after the bartender let her know it was officially 'Commando Day".

or

Allison flung her sacrificial panties on stage and the lead singer caught them!
by linnhome99 September 04, 2010