Definition

1. Adjective (Colloquial):
   • To eat for pleasure, not hunger: Describes the act of eating something light, tasty, or snackable primarily for enjoyment, to pass the time, or to please one's palate, rather than to satisfy genuine hunger.
   • To speak for amusement: Describes talking in a lively, joking, or teasing manner for fun, often without serious intent.

Usage Examples

• Adjective:
  • Tôi mua ít hạt dẻ rang để ăn cho vui mồm. (I bought some roasted chestnuts to snack on for fun.)
  • Đang xem phim, cả nhà ăn bỏng ngô cho vui mồm. (While watching a movie, the whole family ate popcorn as a casual snack.)
  • Anh ấy chỉ nói thế cho vui mồm thôi, đừng bực. (He just said that in jest, don't be upset.)

Advanced Usage

• The phrase is almost always used in the structure "ăn cho vui mồm" (to eat for fun/to snack) or "nói cho vui mồm" (to say for fun/to jest).
• It carries a casual, conversational tone and is not used in formal writing.

Variants and Related Words

• Vui miệng: A more common and slightly less colloquial synonym with the same meanings (to snack for pleasure; to speak in jest).
  • Uống chút trà, ăn vài cái bánh cho vui miệng. (Drink some tea, eat a few cakes as a pleasant snack.)

Synonyms

• To snack (for pleasure): To eat a small amount of food between meals.
• To jest: To speak in a joking manner.
• To say for fun: To speak without serious purpose.

Related Idioms

• While "vui mồm" itself is a set phrase, it is conceptually related to the idea of doing something for casual enjoyment rather than necessity.