maghanap ng salita, tulad ng spook:
 
1.
An acronym meaning: Shoot me in the Fuckin' Face.
A variation of FML.

Used mostly in text messaging to convey complete and utter annoyance.
First Person: "I have 7 tests and a paper this week"
Second Person: "Wow, That's rough"
First Person: "I know just SMIFF"

or

There's so many annoying people here today. SMIFF
ayon kay jetwake08 ika-11 ng Oktubre, 2011
 
2.
How some people say smith.
yo what college are you going to?

Johnson C. Smiff
ayon kay hyroller ika-28 ng Pebrero, 2009
 
3.
To out think or out do.
I totally smiffed him during the debate.
ayon kay Cathy ika-09 ng Marso, 2004
 
4.
A Terse exclamation of approval. Shortened from Smiffy which is a bastardization of Spiffy.
"Your last minute order will arrive at 9am tomorrow, guaranteed."
"Smiff..."
ayon kay Maetrix ika-07 ng Enero, 2008
 
5.
A derogatory term given to a friend who fails to show up at a meeting, embark on a drinking night out or generally makes a mockery of himself within earshot. Coming from the line in the "Wedding Crashes";

"Hes a cock-smith" and alternating the ending to avoid clashes with the popular name "Smith".

Can also be lengthend to "Smiffington" which in esence, is a less harsh version of the word. Also better around OAP's or vulnerable people.
"<friend> is such a Smiff".

Friend 1: "Wheres <friend>?
Friend 2: "I dunno, think he is sitting in tonight.."
Friend 1: "God, he is such a Smiff!"
ayon kay GruffHater ika-15 ng Mayo, 2009
 
6.
SMART MOUTH IDIOT FLIP FLOP.

It's when a person who is an idiot starts running their smart mouth while looking like a damn fool wearing flip flops.
"Look at that SMIFF over there talking about garbage he don't know about"

"He is the biggest SMIFF I know"
ayon kay h3rt@ ika-24 ng Nobyembre, 2011
 
7.
(verb) To out think or out do.
When I snuck out past my mom last night, I was totally smiffin'
ayon kay BlueDrowsy ika-09 ng Marso, 2004