Depends on the bubble you're in. Where I was, this was offensive in 2009 and had already start being phased out for over a decade before by my middle and high school experience.
https://en.wikipedia.org/wiki/Rosa%27s_Law
F----t and derivatives, yes, that was on its way out even in my nowhere-near-the-coasts purple-county-in-a-red-state by the early '00s.
There are some interesting trends here. Spikes in searches seem to coincide with Mind of Mencia going on the air, Rosa's Law and a tweet from Ann Coulter directed at Obama.
https://trends.google.com/trends/explore?date=all&geo=US&q=%...