The acronym nsfr, meaning Not Safe For Ramadan, is commonly used as a replacement tag for nsfw (not safe for work) during the month of ramadan.
This post is pretty nsfr
ayon kay bae_yinah ika-30 ng Hunyo, 2014
Not Safe For Republicans
"This poster of Obama is NSFR"
ayon kay The Rumbler ika-05 ng Enero, 2009