The Old School star was game for the X-rated porn spoof Big Dick, Little Chicks and agreed to be the 'big dick' and bully the fluffy baby birds.
He joked, ""My friends tell me I'm a pretty good dick sometimes,"" before the box of chicks was placed on his lap.
Ferrell said, ""Hey, go f**k yourselves,"" and added, ""You guys look soft; that's good because I'm gonna wipe my butt with you.""
The actor then flipped the chicks his own bird and held up a photo of a chicken, stating, ""Hey, check it out guys, it's a picture of your mum..."" He then started kissing the photo suggestively.
Ferrell ended the cruel skit by offering the babies a chicken nugget.