Definition

1. Noun:
   • Buttocks, rear end, behind: The part of the human body that one sits on; the buttocks. This is a colloquial, informal term.
   • Bottom, backside: A direct and somewhat crude synonym for the buttocks.

Usage Examples

• Noun:
  • Anh ấy ngã đau mông đít. (He fell and hurt his buttocks.)
  • Đứa trẻ bị phát vào mông đít. (The child got a smack on the bottom.)
  • Cú đá vào mông đít. (A kick in the rear.)

Advanced Usage

• This term is informal and direct. It is commonly used in everyday spoken Vietnamese but is considered crude and should be avoided in formal or polite contexts.
• It can be used for mild scolding or in humorous, colloquial expressions.

Variants and Related Words

• Mông (noun): Buttocks. This is the standard, more neutral term compared to "mông đít".
• Đít (noun): Ass, butt. This is an even cruder and more vulgar standalone term.
• Hậu môn (noun): Anus. This is a specific anatomical term, not a synonym for buttocks.

Synonyms

• Mông: Buttocks (standard).
• Mông đùi: Hips and buttocks.
• Phần dưới: The lower part (euphemistic).

Related Phrases

• Vỗ mông đít: To spank/slap someone's behind.
• Ngồi lên mông đít: To sit on one's behind.

Related Idioms

• (Chạy) thục mạng / thụt mông: (To run) very fast, as if trying to retract one's behind (in fear). This idiom uses a variant "thụt mông" (retracting the buttocks) to describe running away in panic.
• Đá mông đít: To kick someone's butt; can mean to defeat soundly or to fire/dismiss someone.

1. Rear
   • Cú đá vào mông đít
     A kich in (on) the rear