Pornhub -- Pulls Off Corniest April Fools' Prank (PHOTOS)

Furious masturbators were probably a little more furious this morning ... 'cause Pornhub pulled a major April Fools' Day prank, but here's a kernel of truth to calm 'em down.

Anyone who went to the porn site this morning was greeted with glorious money shots ... of CORN -- and the entire site looks like it's been changed to something called cornhub.com.

Fear not Internet sex fiends ... it's not a hack, just April Fools' Day ... and users are just a click away from getting past the prank page.