- 擦屁股 cāpìgu to wipe one's bottomTo wipe oneself after defecating.
- 打屁股 dǎpìgu to spankTo spank someone's bottom; refers to an old form of corporal punishment.
- 屁股蛋 pìgudàn butt cheekbutt cheek; buttocks; backside
- 烟屁股 yānpìgu cigarette buttcolloquial name for a cigarette butt; the end of a smoked cigarette
- 老虎屁股摸不得 lǎohǔpìgumōbude not to be trifled withMeaning "one cannot touch the backside of a tiger," this describes a person who is extremely touchy, overbearing, or powerful such that no one dares to provoke or criticize them.
- 舔屁股 tiǎnpìgu to kiss someone's assto flatter someone excessively; to brown-nose or bootlick
- 报屁股 bàopìgu newspaper fillerhumorous or slang term for the bottom corner or remaining empty space on a newspaper page; used for less important articles or supplements to fill the layout
- 屁股蹲儿 pìgudūnr a fall on the buttocksa fall on the backside or buttocks; a pratfall
- 狗颠屁股 gǒudiānpìgu sycophanticdescribes the ugly or shameless behavior of someone groveling or currying favor, like a dog wagging its tail to please its master
- 狗颠屁股儿 gǒudiānpìgur sycophanticfawning or behaving in a sycophantic manner to please someone in power
- 一屁股 yīpìgǔ heavilyDescribes the action of sitting down heavily or without hesitation; to plump down
- 跟屁股 gēnpìgu to tag alongto follow someone very closely; to tag along behind
- 光屁股 guāngpìgu nakedto be in the nude; without any clothes on
- 光屁股娃娃 guāngpìguwáwa childhood friendchildhood friend from the time of being toddlers or small children; literally naked-bottomed baby
- 太阳晒屁股 tàiyángshàipìgǔ to oversleepTo have overslept; often used as a lighthearted way to tell someone to wake up because it is late in the morning.
- 屁股决定脑袋 pìgujuédìngnǎodai one's views depend on their positionLiterally "the butt determines the head"; used to describe how a person's opinions and perspectives are shaped by their specific circumstances or social position.
- 屁股眼 pìguyǎn anusanus; colloquial term for the opening of the rectum
- 屁股蹲 pìgudūn fall on the buttocksa fall on the seat of one's pants or the buttocks
- 拍拍屁股走人 pāipāipìguzǒurén to slip awayto leave abruptly or without saying goodbye, especially when one should have stayed to help or finish a task; to make oneself scarce
- 摸老虎屁股 mōlǎohǔpìgu to take risksTo run great risks; to challenge someone in a position of power or authority.
- 热脸贴冷屁股 rèliǎntiēlěngpìgu to be snubbedto show warm feelings but meet with cold rebuke; to be ignored or treated coldly despite showing good intentions or enthusiasm