The most common and most likely answer to this crossword clue is the 6 letter word BOPPED
I've seen this crossword clue in The Guardian
B
O
P
P
E
D
Buddy explains!

The straight part
We know that "Danced" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case danced = bopped.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BOPPED mean?
BOPPED verb- To strike gently or playfully.
- To dance to this music, or any sort of popular music with a strong beat.
- To have sex.