0 Someone or something that keeps you on your toes forces you to continue directing all your attention and energy to what you are doing:
I work with people who are half my age so that keeps me on my toes.
1 aware and energetic as a result of being busy and challenged:
Teaching four different subjects keeps you on your toes.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
on your toes