Shia LeBeouf Tweets Nude Photo Promoting 'Charlie Countryman'

Shia LaBeouf

"Tune in, turn on, drop out," the actor writes.

A year after showing full-frontal nudity in an odd Sigur Ros music video, Shia LaBeouf has tweeted a nude photo of himself to his 50,000-plus Twitter followers.

The actor appears naked in the picture, though the image is cut off just before things get completely NSFW.

PHOTOS: Naked Ambition: From Adam Levine to Miley Cyrus, Hollywood's Most Daring Magazine Nudity

"Tune in, turn on, drop out - #CharlieCountryman 11/15," he wrote, with links to the movie's trailer and Facebook page.

LaBeouf plays the title character in Charlie Countryman, a man who finds himself in Bucharest after his late mother appears to him in a vision. After meeting and romancing Gabi (Evan Rachel Wood), a cellist with ties to a local gangster, Charlie quickly finds himself sucked into the Romanian underworld, full of psychedelia and violence.

LaBeouf previously said he dropped acid to prepare for a key scene in the crime comedy.

"There's a way to do an acid trip like Harold & Kumar, and there's a way to be on acid," LaBeouf told USA Today in August. "What I know of acting, Sean Penn actually strapped up to that (electric) chair in Dead Man Walking. These are the guys that I look up to."

PHOTOS: Aroused at the Art House: 14 Character Posters for 'Nymphomaniac' 

He also said he was high one day while shooting the movie, which hits U.S. theaters Nov. 15.

LaBeouf also appears in Lars von Trier's upcoming erotic epic Nymphomaniac. He previously said his graphic sex scenes would be real, but von Trier later told The Hollywood Reporter that body doubles were used.