boo-boo

/ˈbuːˌbuː/

ot noun

A mistake or error.
(by or to young children) A minor injury, such as a cut or a bruise.
(by or to young children) Feces.

fe’l verb

(by or to young children) To defecate.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.