Terrell Owens -- Half-Naked Photo Shoot ... With Famous Celeb Photog

Get your popcorn ready -- 'cause Terrell Owens got thiiis close to naked for a revealing new photo shoot with celeb photog Tyler Shields ... and TMZ Sports has the pics.

The 41-year-old ex-NFL star spoofed one of his most famous on-the-field moments ... the infamous popcorn incident ... for Tyler's upcoming book "Provocateur," which is set to be released next year.

We're told there will be a BUNCH of huge stars featured in the book -- including Emma Roberts, Rumer Willis and Jennifer Morrison.