Besties laid evil plans to undermine the government, say (11)

I believe the answer is:

destabilise

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'plans to undermine the government say' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'besties laid evil' is the wordplay.
'evil' is an anagram indicator.
'besties'+'laid'='bestieslaid'
'bestieslaid' is an anagram of 'DESTABILISE'.

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(Another definition for destabilise that I've seen is " rock".)

I've seen this clue in The Irish Times.

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