A cracked out version of the word shocker when used in a sarcastic town. the "zooloo" is pronounced very prominently and often one sounds slightly challenged when saying it. Shockazooloo is often paired with a throwing up of ones hands into the air in frustration.
Girl: Daria called me last night, she misses Tim a WHOOLLE lot.
Girl: School is too early, you know, I am really tired.
Boy: Well THATS not a shockazoolo