Safe For Work. Used to describe Internetcontent that could be viewed in the presence of your boss and colleagues (as opposed to NSFW, Not Safe For Work).
1. Powerlifting. To "Smash Fucking Weights". Popularized by one Vincent Dizenzo, an 800 lbs. bencher who wanted to quickly settle a dispute about training methodologies.
"Too many guys are looking for the right program instead of just SmashingFucking Weights".