Large pigtails are not a trope on their own. You may be looking for one of the following:
- Anime Hair: Bizarre, improbable, exotic, or just plain wacky-looking hairstyles seen in drawn works, including anime.
- Girlish Pigtails: Pigtails used as a visual clue that the character is young or immature.
- Improbable Hairstyle: Hair that's more well maintained than it realistically would be.
- Meaningful Appearance: The appearance of people used as a way to convey information about them.
If a direct wick has led you here, please correct the link so that it points to the corresponding article.