Definition of peachy keen in English:
 peachy keen
adjectiveˈpiːtʃɪ kiːnˈpitʃi kin
North American dated, informal Very satisfactory; fine.
 I'm not saying everything is peachy keen
 Example sentencesExamples
-  At the same time, things aren't really peachy-keen anywhere nowadays.
 -  Days like this are for using words like peachy-keen!
 -  He has called his work ‘a stand against the fiction that everything in this slipping land of ours is peachy-keen.’
 -  They're just good people and the label is great and everything's just peachy-keen.
 -  To get that peachy-keen look, brighten your cheeks with this product.
 -  But now, he had the feeling she wasn't exactly peachy-keen with him.
 -  That's the hard part, everything was going just peachy-keen when he did a disappearing act.
 -  You made it seem like everything was peachy-keen with you two.
 
Origin
  
1950s: from peachy (sense 2) + keen (sense 5 of the adjective).
   Definition of peachy keen in US English:
 peachy keen
adjectiveˈpēCHē kēnˈpitʃi kin
North American dated, informal Very satisfactory; fine.
 I'm not saying everything is peachy keen
 Example sentencesExamples
-  But now, he had the feeling she wasn't exactly peachy-keen with him.
 -  At the same time, things aren't really peachy-keen anywhere nowadays.
 -  To get that peachy-keen look, brighten your cheeks with this product.
 -  You made it seem like everything was peachy-keen with you two.
 -  They're just good people and the label is great and everything's just peachy-keen.
 -  Days like this are for using words like peachy-keen!
 -  He has called his work ‘a stand against the fiction that everything in this slipping land of ours is peachy-keen.’
 -  That's the hard part, everything was going just peachy-keen when he did a disappearing act.
 
Origin
  
1950s: from peachy (sense 2) + keen (sense 5 of the adjective).