wee
n. C / Un. an informal word for urine or the act of going to the bathroom. People often use it when talking to children or in a lighthearted way.
n. an instance of urination or the liquid waste itself. Informal in register; frequently used in British and Commonwealth English, particularly when addressing children.
The puppy had a little wee on the carpet.
The toddler told his mother he needed a wee just as they were about to leave the house.
From Middle English wey, weygh, wegh, weȝe, wæȝe (“little bit”), from Old English wǣġ, wǣġe (“weight”), from Proto-West Germanic wāgu, from Proto-Germanic wēgō (“scales, weight”) and *wēgǭ (“weight”), related to Middle English weġan (“to move, weigh”) (15c).
Onomatopoeic for the sound of urination. The noun derives from the verb.
* see we
Often used in the phrase 'to have a wee' or 'to go for a wee'.