Being deceptively helpful, or crafting a pleasant surprise for the delight of others, yet going about it in a secretive way.
When Dobby brought Harry the gillyweed, he realized how shneaky Dobby must have been to break into Snapes potion closet
by ShneakySquirrel June 22, 2018
by Yankee Doodle Dandee November 21, 2011
by kidbrother October 29, 2013