1 definition by VivaLaHST
In sexual situations, especially those including 3 or more members, the sole individual appointed with the task of deciding if, when, and how each person's underpants (including their own) should be removed.
Although Isaac was the Underpants Captain, Zooey violated the rules by taking off her own underwear...so Audrey and Michelle kicked her out of the orgy.
by VivaLaHST February 20, 2012