Unique Animal Crossing banner ideas for New Horizons villagers
Coming up with an original catchphrase in Animal Crossing: New Horizons can be tough. Below are some guidelines and examples of unique taglines.

When Animal Crossing: New Horizons players befriend villagers, they'll have the chance to craft custom banners. Buzzwords in ACNH are different from greetings and nicknames. They usually appear at the end of a villager's sentence and are shorter than a greeting. Here's everything you need to know about villager banners, including some fun examples.
Unlike greetings in New Horizons, buzzwords can be spread to other villagers without the player's consent. Sometimes, players can walk into conversations between Animal Crossing villagers and actually see how one adopts another's catchphrase. All villagers start with their own unique catchphrase, but since they're transferable, it's best to customize a catchphrase that applies to all villagers on the Animal Crossing player's island.
How to Give Catchphrases In ACNH

If players give their Animal Crossing villagers gifts on a regular basis, they will eventually ask for a new catchphrase. They may call the player's name and run to them, or a thought bubble may appear above their head. Thought bubbles can mean a variety of things, including villagers wanting to leave New Horizons Island.
When a villager is prompted for a slogan in ACNH, the player will have a The amount of text that can be entered is limited. Therefore, not only should the catchphrase be a proverb that players are comfortable passing on to other Animal Crossing villagers, but it should also be short and to the point.
Catchphrase Ideas For Animal Crossing: New Horizons Villagers

A catchphrase in Animal Crossing can be cute, funny, or rude - whatever the player wants. They can even include the player's first name or nickname.
Buzzwords usually complete a sentence, so capitalizing the first letter may not be necessary. Ultimately, though, it's up to each Animal Crossing player. Here are some unique examples of villager catchphrase ideas to help spark some creativity:
How to Change Villager Catchphrases in ACNH

If a catchphrase is made and the player no longer wants villagers to repeat it, they can talk to Isabelle at Resident Services in New Horizons. Selecting "Discuss a resident" and clicking "How he/she speaks" will revert the banner to the villager's original banner. Additionally, if players continue to interact with villagers in Animal Crossing: New Horizons, they may eventually ask players to create a new banner, even if they have done so in the past.