"crinkly dinker" describes someone or something that's needlessly complex, confusing, or inefficient. It could imply that the person or thing is causing unnecessary complications or difficulties due to their actions or attributes.
Despite his promises of efficiency, his approach to project management turned out to be a crinkly dinker, leading to unnecessary complications and delays.
Term used in Counter-Strike that means to be shot in the head, but not killed. The "dink" part of this work comes from the sound a bullet makes when it hits a helmet.
Pack-a-Stan (RADIO): Go Go Go...
....ten seconds later...
Pack-a-Stan (Team): WOW NO BACKUP I GOT DINKED!