Noun. A person whose intelligence is so sub-par they would take everything at a literal meaning. For instance, they would actually try to blow while giving a blow job. These are the people that believe, and share, everything they read online.
If that dickwhistle bothered to research, he would see that article is satire.
The whit of dicks; pure and utter nonsense from a complete asshole; something so stupid it is both nonsensical and dickish in nature; see asshattery
Richard wants us all to come in 3 hours early at work so we can make sure the automatic lights come on but he's going to sleep in; that's pure dickwhittery!