Breadcrumb Home > Dictionary Cite Meaning of p.p.d.o. Find definitions for: p.p.d.o. Pronunciation: [key] per person, double occupancy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ppd. PPE Related Content Daily Word Quiz: quisling Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language