(US, Canada, slang) A tendency of seniors in high school or college to skip class or slack off due to a desire to move on, or because they have already been accepted by a college and their further academic performance is no longer as relevant.
1984, W. Dean Memering, Frank O'Hare, ''[http://books.google.com/books?id=tD-Aoq6kDeMC&dq=%22senioritis%22&as_brr=0 The Writer's Work: Guide to Effective Composition - Page 121]''
No comments yet — say something.
Add your own interpretation of "senioritis".
Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.