(colloquial, somewhat derogatory, countable) Synonym of police officer. / (colloquial, somewhat derogatory, uncountable) Synonym of police.

plural of po-po

The longest river in Italy, which flows 652 kilometers eastward to the Adriatic Sea near Venice.

(slang) Poor.

(pharmacology) Initialism of per os.

Initialism of post office. / (business) Initialism of purchase order. / (law enforcement) Initialism of police officer. / (law enforcement) Initialism of probation officer.

(obsolete) A peacock.

(UK, Australia, New Zealand, colloquial, dated) A chamberpot.

(Internet, text messaging) Initialism of parent over shoulder (i.e. observing the young user's conversation)

(law) Initialism of proof of service. / (medicine) Initialism of peripheral oxygen saturation. / (linguistics) Initialism of part of speech. / (retail) Initialism of point of sale or point of service.