number two

noun

1. someone or something that is second in rank, order, or importance.

2. defecation: used especially by or with reference to children.

number two

noun

1. euphemistic,  the act or an instance of defecation

2. a haircut in which the hair is cut close to the head with an electric shaver

Word History and Origins

Origin of number two¹

First recorded in 1905–10

Idioms and Phrases

Idioms

1. make / do / go number two, to defecate: used especially by or with reference to children.