Madcap kin of '50s fiction (4)

I believe the answer is:

mame

'madcap kin of '50s fiction' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for mame that I've seen before include "Musical starring Angela Lansbury" , "Broadway musical" .)

I've seen this clue in the Newsday and the Newsday.com.

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