Pansy-snook is someone who is so annoying/obnoxious, you want to smack them as soon as they enter the room.  
Etymology:
pansy |ˈpanzē|
2 informal offensive an effeminate man.
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snook 2 |snʊk| |snuːk|
noun (in phrase cock a snook) informal chiefly Brit.
place one's hand so that the thumb touches one's nose and the fingers are spread out, in order to express contempt
Etymology:
pansy |ˈpanzē|
2 informal offensive an effeminate man.
+
snook 2 |snʊk| |snuːk|
noun (in phrase cock a snook) informal chiefly Brit.
place one's hand so that the thumb touches one's nose and the fingers are spread out, in order to express contempt
by hans51589 February 13, 2009
 Get the Pansy-snookmug.
Get the Pansy-snookmug.