Colloquial term for a nylon tracksuit (the shiny nylon jacket-and-pants set often worn as streetwear).
彼はいつもシャカシャカばかり着ている。
He always wears nylon tracksuits.
シャカシャカの上下は最近のストリート系で人気だ。
Nylon tracksuits are popular in recent street-style fashion.
An onomatopoeic/mimetic word for a rustling, rattling, or whispering sound (shaka-shaka); also used to describe quick, light movements or doing something briskly (e.g., mixing, eating).
ビニール袋が風でシャカシャカ鳴っている。
The plastic bag is rustling in the wind.
彼女はコーヒーをシャカシャカとかき混ぜた。
She gave the coffee a quick, shaka-shaka stir.
朝は忙しくて、パンをしゃかしゃか食べて出かけた。
In the morning I was rushed, so I ate my bread quickly and left.