Po'd Meaning

(idiomatic, colloquial, euphemistic) Annoyed, irritated, angry; depressed, fed up.

Example: 1972, Patrick M. McGrady, The love doctors, page 356:
  Wilbur was PO'd, of course. Didn't speak to her for six hours ...
2008, William Frank Buckley, The Reagan I Knew, page 198:
  ... told Nancy he was PO'd up to his keister with--pause! ...