This is the part 1 about some of the popular anime words. These words are popular because of the way of saying, context and content. These words spoke their characteristics. Also represents their attitude and situation. Here I included some of the popular anime words for you with meaning and situation.

Some of the most popular anime words

Jujutsu Kaisen

"Daijoubu deshou datte kimi yowai mon" by Gojo Satoru
Meaning: "Daijoubu deshou"—no problem; "Datte" after all"; "Kimi"—you; "Yowai mon"—weak. "Daijoubu deshou datte kimi yowai mon"—"no problem; after all, you're weak."
Situation: When fighting with Jogo.

"Ganbare Ganbare" by Sukuna.
Meaning: Do your best; try harder.
Situation: When fighting with a special-grade curse.

Death Note

"I am Kira" by Light Yagami.
Meaning: Kira means killer. People gave this name to the mysterious killer, Light Yagami.
Situation: Light Yagami found that Naomi had some important information about Kira. So, Light Yagami killed her and said this.

"What do you think of that, L? This is my perfect victory; that's right, I win," by Light Yagami.
Meaning: Light Yagami defeated Lawliet, also known as L.
Situation: After defeating his biggest enemy, Light said this in front of his grave.

Demon Slayer

"Umai" by Kyojuro Rengoku.
Meaning: tasty and delicious.
Situation: Flame Hashira Kyojuro Rengoku especially used this word in the movie 'Kimetsu no yaiba: Mugen Train'. He often used this word to describe food and his friends' skills.

"Ara Ara Sayonara" by Shinobu Kocho.
Meaning: "Ara Ara"—oh my, my-my, uh-uh. "Sayonara"—goodbye. "Ara Ara Sayonara"—Oh my, goodbye.
Situation: when Shinobu visited Tanjiro and Zenitsu. A boy showed overwhelming respect, like a child. She used these words to show pity for him.

Attack on Titan

"Tatakae Tatakae..." by Eren Yeager
Meaning: Fight Fight...
Situation: Eren Yeager told his father.

"You are all free" by Eren Yeager.
Meaning: Eren Yeager's last words.
Situation: He wanted to bring peace to the world by destroying everything. He's not fully succeeded, yet he brought peace to the world. It is the last word for Mikasa.

Hunter x Hunter

"Do not underestimate humans, Meruem" by Isaac Netero.
Meaning: Humans are more powerful than Meruem thought.
Situation: Fighting with the King of the Ants, Meruem. Netero said this to Meruem.

Bonus

"Baka" by Kilua, Naruto, Sukuna, Midoria, Luffy and Light etc.
Meaning: fool or idiot.

Conclusion:

These words are popular because fans like those whether that in English or Japanese or any other languages. If we are going to use those words in our daily conversation, it becomes necessary to know the meaning of those words.

FAQ:

1.List of the iconic anime words?
Ans:

"Daijoubu deshou datte kimi yowai mon" by Gojo Satoru
"Ganbare Ganbare" by Sukuna.
"I am Kira" by Light Yagami.
"What do you think of that, L? This is my perfect victory; that's right, I win," by Light Yagami.
"Umai" by Kyojuro Rengoku.
"Ara Ara Sayonara" by Shinobu Kocho.
"Tatakae Tatakae..." by Eren Yeager
"You are all free" by Eren Yeager.
"Do not underestimate humans, Meruem" by Isaac Netero
"Baka" by Kilua, Naruto, Sukuna, Midoria, Luffy and Light etc.

Popular anime words - Part 1 by Anime Allover