It is the B3tan equivelant of shrugging
one's shoulders usually.
(
Mr Gear the gay-maker,
Fri 17 Jun 2005, 15:17,
archived)
^this
It's also used to denote speechlessness or to use a better term 'threadlessness*'
*Copywrite of 'threadlessness' as new word by OldWhit 2005
(
OldWhit,
Fri 17 Jun 2005, 15:22,
archived)