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"

A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.

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.

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.

Shit Dammit Fuck it all to hell. Commonly used as SDF when it would not be socially acceptable to yell these aloud

Short for Shit, Damn, Fuck

Suncoast Dirt Foot; one that has feet that looks like they have never owned a pair of shoes in their life; feet that look like they belong to swamp thing; people that live in sun coast have these feet; feet that look similar to alligator feet; Feet that have nails jagged enough to walk up walls with ease;