What is Sdf?
1.
Super Dimension Fortress, the classification of the ship from the seminal, famous 1980s Japanese anime "Macross." In America, in the anime's "Robotech" adaptation, the acronym was changed to "Super Dimensional Fortress," and the Macross was referred to as "The SDF" frequently.
The bridge of the SDF is staffed by the captain and his team.
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2.
a curse word which is often directed towards someone
a word which is refered to a person who has a small penis... "Small Dick Freak"
"f*uck u SDF!!!" or "That guy... ahhh hes a proper SDF!"
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3.
SDF stands for the Sony Defense Force, which is a group of rabid supporters of Sony who defend whatever Sony does on websites and message boards.
"Man did you see that troll? He called the Wii and 360 garbage and the PS3 as the best thing ever."
"Yeah he must be part of the SDF"
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4.
Shit Dammit Fuck it all to hell. Commonly used as SDF when it would not be socially acceptable to yell these aloud
"SDF they never get my order right here"
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5.
SDF stands for smoke drink fuck
ayo B i wanna do a SDF you down?
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6.
Super Dimension Fortress, a public access free unix system which started as an Apple ] BBS in 1981. Today they use alpha servers running UNIX. freeshell
I have an SDF account.
