Diffy 

Spiffy and different

Ooh that boy mike nunn is so diffy!

Diffy by Yung beast & Licia December 31, 2009

Diffy 

'Deficient' - missing. Someone being diffy something will have lost of misplaced it. Usually a term related to and used by the British Army.

That soldier's diffy a pair of boots so he'll get billed for the loss.

Diffy by reme_critter July 18, 2011

Diffy 

The best friend a girl could have.

he is such a diffy, he gives the best advice!

Diffy by ShelbyxTaylorrrr June 26, 2008

Diffy 

Adjective; a nickname or word used to describe a very adorable but stubborn boyfriend who knows his amazing girlfriend is right but is always being difficult at realizing this fact.

Girlfriend: Hey Baby! Look at this puppy it's so cute can we keep it?! I wanna name it Tyra <3

Boyfriend: No! We are not naming that dog Tyra. The only way that's happening is if that puppy is brown :)

Girlfriend: But I want a cute white puppy like this one! * shows pic

Boyfriend: no! The brown puppy or nuthin.

Girlfriend: ahhh fine you win Diffy. You're such a Diffy.

Diffy by Diffyluver69 October 5, 2012

diffy 

sleeping pill called benadryl, nytol, etc. from its proper name "diphenhydramine".

jon: ayo mark i cant sleep over here

mark: it's okay bro just pop a diffy

diffy by jeunclod June 11, 2021

diffy 

A slang term for clostridium difficile. Clostridium difficile has a very distinct smell.

Yo, did it smell diffy?

diffy by ludawgg1234 March 12, 2015

Diffy 

DIFFY: : lacking needful or desirable substance : weak, ineffectual.

Another word for: Retarded, Lame, Dumb, Boring, Stupid.

"Hey, dude. You going to Nate's party tonight?"

"I don't know, ,man. Last time I went over there it was pretty 'Diffy'."

Diffy by Metal Metal Rob Walsh August 31, 2010