This is the 720th most frequent Afrikaans word.
jonk
Young.
Here, "jonk" is used as an adjective to describe the cat's age as young.
Die jonk kat speel met die bal.
The young cat is playing with the ball.
In this sentence, "jonk" is describing a state or feeling of youthfulness experienced by the speaker.
Ek voel jonk wanneer ek dans.
I feel young when I dance.
"Jonk" is used here as an adjective to describe people who are youthful.