What does POETS stand for?

Pacific Options Exchange Trading System (EXCG)

Phooey on Everything, Tomorrow's Saturday - Bowdlerized version

Piss Off Early, Tomorrow's Saturday - Chat lingo

Piss On Everyone, Tomorrow's Saturday - Telecommunications (ACOL)

Piss on Everything, Tomorrow's Saturday - Chat lingo

Product Operations Estimating Techniques System (ACAE)

Push Off Early, Tomorrow's Saturday - Bowdlerized version