Farrah Abraham may have bigger bolt ons than brains, but she used whatever was in that surgically-altered noggin of hers to come up with her porno herself.

Abraham's co-star, James Deen, spoke to TMZ and revealed that this is just business as usual for him, but that the grand scheme was all the brainchild of the 'Teen Mom' starlet.

"I think what happened is that [the porn company was] going to pass it off as a 'sex tape' and somebody saw us coming out of a building together and people asked me what's going on," Deen explained. "And I have this problem where I can't really lie, so I was like, 'We're making a porno!'"

The "building" was Vivid Entertainment's offices, FYI.

Deen rambled on for a bit on how he didn't quite understand what was going on, but clarified, "Everybody's trying to make it this story, but really, [Farrah] wanted to make a sex tape."

While Abraham may not have the best vocabulary or the best developed pre-frontal cortex, she does have one thing going for her. Deen says that she was "great."

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