おしっこ Common word LinksSentence search for おしっこSentence search for オシッコEdit in JMdict Noun, Suru verb, Intransitive verb1. wee-wee; pee-pee; number oneColloquial, Children's languageべんざ便座におしっこしちゃったら、ちゃんとふ拭くのよ!If you piss on the toilet seat, wipe it off!Other formsオシッコ Discussions Log in to talk about this word.