This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

ad. In a stupefying manner.

"I was once one of those dickwads who listened to other dickwads who were so threatened by the prospect of not being able to will psychological problems entirely away -- be they mental illnesses, drug addictions, eating disorders, whatever* -- that they were willing to aggressively dispense some stupefyingly pernicious advice to scores of people -- often from positions of authority."