Seig Fuckin' Heil. Phrase commonly is used in the NZL Mongrel Mob Gang as well as the 'seig' hand sign (hang loose).
Person: Yo fuck yo! I'll fuck you up seig cunt
Reply: Fuck you ya lil stupid bitch *jabs in the stomach* SEIG TILL I DIE MOTHERFUCKER! SFH!
by yourmumjayden46 March 26, 2017
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Dude I'm SFH we smoked 7 blunts of sour diesel in less than an hour.
by captq23 December 26, 2011
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So Fucking Hot
Commonly used when talking about someone.
Dude 1: Hey did you see that girl at the party?
Dude 2: Which one?
Dude 1: The one with that nice booty.
Dude 2: Oh yeah... She was SFH!
by flannel April 3, 2015
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Smacks ForeHead; used on IM
Girl: You should watch 17 again!!!!
Guy: y?
Girl: cuz it has Zac Effron in it
Guy: sfh...
by slayerse7en December 28, 2010
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Stupid Fat Hobbit - source: Lord of the Rings Smeagol's response to Sam cooking fish:

Smeagol: What's it doing?! Stupid, fat hobbit! You ruins it!

Used as a response to someone else's perceived stupidity or spoiling of a situation
Person: They've cancelled the office party because they say they haven't got the budget anymore

Reply: SFH
by Foxymoron21 May 16, 2021
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