Here they are -- the pictures you've all been waiting for ... or were hoping would never surface ... Octomom ... completely naked and doing the unspeakable ... SURROUNDED BY BABY STUFF.

The pics are shockingly graphic -- so click at your own risk -- but we have to be honest ... for someone with fourteen kids, Octo looks damn good.

TMZ broke the story ... Nadya Suleman has partnered with porn studio Wicked Pictures to produce a self-pleasure video -- entitled "Octomom: Home Alone" -- set for online release on June 20.