Swap tips on highly charged little Dickensian? (6)

I believe the answer is:

dorrit

'little dickensian?' is the definition.
(Charles Dickens character Little Dorrit)

I can't explain the remainder of the clue.

(Other definitions for dorrit that I've seen before include "Little girl" , "See 7" , "See 1" , "See 13" , "Dickens novel 'Little .....'" .)

I've seen this clue in The Times.

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