"Z-AIR-UH-DO-SHE-US" Adjective. 1.The act of being a complete douche. 2. Seeming to be someone's friend and then talking shit about them five minutes later. 3. Cowering down to everybody that stands up to you. 4. Having a really big stick up your ass, tries to show leadership but just cowers down after someone stands up to you.
Bill was just hangin out with Jeff, and now he's talkin shit. He's being zaradouchious.