selperiffic 

Something so good it can't be explained by any other words

This pie is ..... selperiffic!

selperiffic by Parrapa November 30, 2006

Superiffic 

Something that is super and terrific

That Gary Busey movie with the robots and lesbians was totally superiffic!

Superiffic by J.O. May 2, 2006

Superiffic 

The incorrect spelling of superific spelled with one f like terrific

superific = abbreviation of super + terrific

"superiffic is the incorrect spelling of superific"

Superiffic by YOUmissSPELLwords December 5, 2012

Sellerific 

A combination of the words 'seller' and 'terrific' making the obvious definition of this word- terrific seller

I'm really good at selling things... you could call me SELLERIFIC!

Sellerific by Barbie Anken November 8, 2010

Superiffical 

Used to describe something or someone of a god-like nature just amazingly paramount

It's a mixture of Super terrific and magical :3

Leon Wynne is such a superiffical guy

Superiffical by Blazerrips91 August 6, 2011