stiffly stiferson 

some one who displays stiffly characteristics

theres a guy in my apartment who is a real stiffly stifferson I'll get him good

stiffly stiferson by Joe Facker October 6, 2003

stiffly stifferson

A person who isn't keen to light-hearted or fun jokes. More specifically, pranks.

I put rat poison in my boss' coffee and he got mad at me. What a Stiffly Stifferson.

stiffly stifferson by Jablonsky May 22, 2004