flail about
Upper Intermediate (B2)neutral
To wave your arms and legs around in a wild, out-of-control way.
"The toddler was flailing about in the shallow water, laughing and splashing."
Hear it in context

A Dark Fantasy Audiobook: Reborn With A Divine System And Hidden Power (Book 1-4) | Complete Series
NoirCast · 3410:36
watched Aara flail about as not only her spells,

Cycling to Makino Station! ft. Abroad in Japan & PremierTwo | Cyclethon 5 Day 13
CDawgVODs · 83:51
Oh, this poor roads making choco cat flail about.

The Ones That Make You Laugh: Part 4 | Friends
Friends · 4:29
His legs flail about as if independent FROM HIS BODY.

Konstantin Kisin’s WARNING: Our Leaders Have Lost Control, We’re Headed For Conflict And Violence!
The Diary Of A CEO · 34:14
but what we should do is flail about in the meantime,