上一号

Traditional form:

上一號

Pinyin (reading):

shàngyīhào

Definitions:

• (coll.) to go pee
• to go to the bathroom

Characters:

• 上 - above, on top, superior; to go up; to attend; previous
• 一 - one; a, an; alone
• 号 - mark, sign; symbol; number; to call, to cry, to roar

Traditional characters:

• 上 - above, on top, superior; to go up; to attend; previous
• 一 - one; a, an; alone
• 號 - mark, sign; symbol; number; to call, to cry, to roar