English dictionarypee-pee noun Copy definition Share Print / Save as PDFPronunciation /ˈpiːpiː/Audio pronunciation ▶ Recording 1 Parts of speech noun verbDefinitionsnoun(usually childish) Urine.(usually childish) The penis or vagina; genitalia.verb(hypocoristic) To urinate.Synonyms pee piddle tinkle wee wee-wee piss urinate whiz