There are those idioms to describe a clean toilet

Be neat and tidy.

Idiom explained. There is no dirt, dust, impurities.

Example sentences deprive people of their rights to freedom of speech, press, assembly, association, thought, belief, and body. Mao Zedong, On Coalition Government

grammar as a predicate, a predicate, an adverbial; Refers to the absence of dirt.

Explanation of terms. be neat and tidy;clean] free of dirt, dirt, impurities.

Example: The children are all dressed cleanly.

Cited explanations. Clean; Neat.

Xingshi Hengyan Monopoly of the Oiran by the Oil Seller: "Wash the clothes cleanly." ”

The ninetieth chapter of "Dream of Red Mansions": "As for the things on the table in the room, they were brought by the old lady, but some of them were not moved, and they were cleaned up. ”

Naked; There is nothing left.

The second and fifth episode of "Water Margin": "A fire is burned clean, and there is no trace, it is Wu Er who comes back, what will he dare to do?" ”

Du Pengcheng, Chapter 2 of "In a Day of Peace": "Xiao Liu looked at Wei Zhen's back and forgot the annoyance caused by the quarrel just now. ”

Spotlessly clean and smelly.

The windows are bright and spotless