spiferific 

An area between spiffy and terrific

Well, you look quite spiferific today spiffy+terrific=spiferific

spiferific by foofybell.totherescue November 7, 2013

sniferific 

A great smelling pussy

That gal is sniferific, I could eat her all night

sniferific by brewmeistertony1 May 21, 2010

spoilerific 

Containing a high quantity of spoilers of a given story from a game/movie/anime/etc.

This review explains the plot of the entire movie, including the big twist at the end. It's spoilerific.

spoilerific by MrWizard0022 October 24, 2007

spomerific 

completely 1337

That new server design was so freakin' spomerific.

spomerific by Vertigo January 8, 2004

splifferific 

A reference to spliffs. An adjective describing a time or event that involves spliffs.

"Last night was splifferific! I don't remember a thing!"

"Dude the RHCP concert was totally splifferific, there was smoke everywhere!"

splifferific by Tab213 December 9, 2008

spifferific

The state of being extremely spiffy.

Also may be used as an exclamation.

That new book I read was spifferific!

Are you coming with us? Yes? Spifferific!

spifferific by Mercury January 17, 2004

spiffirific

A combination of spiffy and terrific. It is best used in short sentences or as a sentence unto itself.

That plan is spiffirific.

spiffirific by Vertigo September 2, 2002