Social Filter Deficiency
A syndrome in which the said subject has trouble deciphering which thoughts to express aloud, and which to keep silent.
Often the source of embarrassment of subject's companions.
Kyle - Chad has SFD.
Bailey - You reckon so?
Kyle - Yes, he just asked me if I would graffiti the school's walls with him while we were eating thanksgiving dinner at my grandma's house!
Bailey - Yeah... he does have difficulty gauging what to and not to say.
Chad - (rather loudly) GUYS I'M SO DRUNK!!!
Krystan - Chad! Stop being to SFD! I'm on the phone with my mother!!
Chad - I really need to take a shit.
Teacher - ... SFD...
A euphemistic text messaging acronymn that generally stands for 'Shit Fuck Damn'. SFD is often followed by an exclamation point for emphasis. The term is commonly used to express annoyance, frustration, or anger.
It is acceptable for SFD to be used spontaneously in courtship by a suitor expressing his/her approval of a desired lover's physical prowess.
Text messaging conversation...
Jim: Touchdown South Carolina.
Caroline: Shit. Fuck. Damn.
Jim: The preferred term is SFD.
Jim: They just scored again.
Ronald: Yo Benj, here comes that shawty...
<shawty walks by>
An acronym that refers to the combo any self-respecting sub-shop has on their menu - a sub, an order of fries, and a soda. Or, "Sub Fry Drink". Or, SFD.
I've got a hunger only a SFD can satisfy.
SFD is an abbreviation for "So Fucking Done."
It can be used when your friend makes a moronic comment and their best luck is to just stop where they are at.
Erin: "I make make illegitimate symbols too. Look. <#%. A waffle cone."
Erin: "Simon folows dinosaurs."
Hottie: SFD, Again.
Stupid F-ing Drummer. The guy in your band that has all sorts of cold, heavy silver crap in his trunk that you must inevitably carry through doorways that are too small. Also tends to beat the $Hi7 out of stuff with two sticks very loudly. Often thinks he can sing and/or play guitar too.
Yo, during the set break, SFD was reading press packets so hard that his face melted off! Need an acoustic set on the quick!
An acronym that is secretly used for So Fucking Done.
There's no reason anymore. I'm SFD!
SFD is everything and nothing. You can use SFD in any manner of speech, for any reason, and at any time.
Arch - Hey, how was the weather down there?
Jade - Well today there was a 40% chance of SFD.
Arch - Nice, better than up here! No a SFD in sight!
Jade - Well ain't that an SFD if I ever did hear one.