The phrase "special nod" refers to a gesture of acknowledgement or recognition that carries extra significance or meaning. It indicates a deeper connection, understanding, or agreement between two people. Full definition
On the heels of HBO's «Westworld,» Backstage breaks down five of its favorite android women from film and TV with special nods to the artificial intelligence of «Terminator,» «Ex Machina,» and more. (backstage.com)
These are a cool little bonus to extend the gameplay, as well as special nods for anybody who's a big cinephile. (theswitcheffect.net)
While it is true that there are special nods of the head for yes and no, Turkish body language is simple to understand and should you have any questions your Tour Manager is on - hand to provide advice and assistance. (greatrail.com)