I'm surprised, upset and unhappy over Carrie's last party (7)

I believe the answer is:

hoedown

'party' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

(Other definitions for hoedown that I've seen before include "US folk dance gathering" , "Barn-dance" , "US party" , "Boisterous American folk dance" , "US country dance" .)

I've seen this clue in The Guardian.

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