ruồi giòi

Một con ruồi giòi đậu trên cánh hoa.

Definition

1. Noun:
   • Botfly: A type of parasitic fly whose larvae (maggots) infest the skin or tissues of mammals, including humans and livestock. The term "ruồi giòi" specifically refers to the fly in its adult stage, but is strongly associated with its parasitic larval stage.
   • Figurative, vulgar slang: A deeply contemptible or parasitic person; a scumbag. This usage emphasizes someone seen as morally repugnant, exploitative, or worthless.

Usage Examples

• Noun (literal):

  • Con bò bị nhiễm ruồi giòi. (The cow is infested with botflies.)
  • Ruồi giòi đẻ trứng trên da vật chủ. (The botfly lays eggs on the host's skin.)

• Noun (figurative, slang):

  • Đồ ruồi giòi! Hãy biến đi! (You scumbag! Get lost!)
  • Hắn ta đúng là một thằng ruồi giòi của xã hội. (He is truly a parasite of society.)

Advanced Usage

• The term is often used in invectives and insults. Its power comes from evoking the image of a disgusting, burrowing parasite.
• In biological contexts, it is a zoological term for flies of the family Oestridae.

Variants and Related Words

• Giòi (n): Maggot; the larval stage of a fly. This word is often paired with "ruồi" to form the compound.
• Ruồi trâu (n): Horsefly. A different type of biting fly, not a parasitic botfly.

Synonyms

• Botfly (literal).
• Parasite (figurative).
• Scumbag, lowlife, vermin (figurative, vulgar).

Related Idioms

• Như giòi bỏ rác: Like maggots abandoning rotten meat. Used to describe a scene of people scattering or fleeing in a disorderly, disgusting manner.
  • Bọn chúng chạy toán loạn như giòi bỏ rác. (They ran off in a chaotic scramble.)