Onomatopoeia

Japanese is a language with many onomatopoeia. A wide range of onomatopoeia used in the Japanese language, from noises made by animals to expressions of feelings.
https://www.nhk.or.jp/lesson/english/soundwords/

Also Onomatopedia.jp does a great job with vivid illustrations.

Here I document some onomatopoeia I learned with a youtube video that has pronunciation. Onomatopoeias are in bold text.

(あし)パンパン
A lot of YouTubers will say this after they did a vlog for a day (example). Means your feet are bloating after a full day of sightseeing!

サクサクのザンギ Example
Learned from eating Soup Curry (Rojiura Curry SAMURAI. 下北沢店). ザンギ is fried chicken from Hokkaido. サクサク means crispy. And when you're eating it, it really sounds like サクサク inside your mouth!

ぶくぶくでした Example
I was chubby.

しとしと Example
しとしと雨音
The sound of (quiet) raining.

てくてく Example
てくてく あるこう
Slowly walking.

ほかほか Example
ほかほかおかず4選
4 side dishes that warms your heart

ひょっこり
suddenly

わくわく止らない Example
Can't stop being excited.

とんとん
Something goes well

しくしく
child crying

つんつん
poke

ぴしゃり
Strongly disagree

ぺらぺら
Good at something

ぐつぐつ
鍋はぐつぐつ煮える。

ノリノリ
脂ノリノリから

お肉見るとちょっとウキウキします
Seeing meat makes me excited.

ガーガー文句言いながら
angrily complaining about something

ギシギシっで
車体が横転したの音。

興味**津々(しんしん)**
Very interested in

ボロボロの衣服
Tattered cloth.

さまざまな人
All kinds of people

フワフワ
Fluffy

さらさら Example
物に湿り気や粘り気がなく、乾いた感じのするさま。「さらさら(と)した髪」

もちもち Example

ちよいちよい
A little

ポカポカ
Warmly

しおしお
ちょこなん
さやさや
ちりちり
つらつら
のほほん
たわわ
がたぴし
ちゃんちゃんぼらぼら
がらっ
わっはっは
ぱーっ
すたっすたっ
さくさく
すーすー
ぼーっ
ぴりぴり
どん
ひやひや
わざわざ