bust a move
US /bʌst ə muːv/
UK /bʌst ə muːv/

1.
踊り始める, ダンスを披露する
to start dancing, especially in an energetic or impressive way
:
•
When the DJ played my favorite song, I had to bust a move on the dance floor.
DJがお気に入りの曲をかけたとき、私はダンスフロアで踊り始めた。
•
He's usually shy, but after a few drinks, he'll really bust a move.
彼は普段は内気だけど、数杯飲んだら本当に踊り出すよ。