Lingaku- to wash one's hands
- (fig.) to go to the toilet
Generated: This meaning refers to the physical action of cleaning the hands with soap and water to maintain hygiene.
Generated: In this context, the phrase is used colloquially to refer to the act of going to the restroom, often said in a light-hearted or indirect manner.
She said she needed to wash her hands, but actually, she was going to the restroom.