POETS day

Etymology
Probably 20th century British; derived from the acronym or perhaps earlier.

Noun

 * 1)  Friday, the last day of the working week.
 * 2) * 2002, M. J. Lynley, Malika, Mithrandir Books, UK, |%22POETS+days%22+-intitle:%22%22+-inauthor:%22%22&hl=en&sa=X&ei=jHLeT5rpI6ariAfPs5ivCg&redir_esc=y#v=onepage&q=%22POETS%20day%22|%22POETS%20days%22%20-intitle%3A%22%22%20-inauthor%3A%22%22&f=false page 177:
 * He was about to walk out the door when Malika came in with the weighty, leatherbound Consejo book that recorded the Board minutes. Alex′s heart sank. Malika looked surprised.
 * ‘Malika, it′s POETS day. Time to go home.’
 * ‘POETS day?’
 * ‘Yes. Piss Off Early, Tomorrow′s Saturday.’