1: Offensive To the Easily Offended.
OTEO covers the grey area between SFW and NSFW. It means that the presented link contains mildly suggestive content.
Derp1: DUDE! this picture is SOO HOT!!
Derp2: Dude! That's just curves! No tits or anything!
Derp3 (highly christian): YOU FILTHY INFIDELS YOU SHOULDNT BE WATCHING THIS BLAHBLAHSATANBLAHBLAH........
Derp2: Dude. What are your standards...
Derp1: Let it slide. I'll list it as OTEO.