Mamaboy is a 2017 comedy film directed by Aaron Leong and written and produced by Rick Kuebler. The film stars Sean O'Donnell as a teenager who decides to undergo an experimental procedure that enables him to carry his girlfriend's baby to term.

Plot

The adolescent Kelly Hankins (Sean O'Donnell) has a good life. He is admired by his peers, the star of the baseball team, and he is in a happy relationship with the beautiful Lisa Weld (Allie DeBerry), albeit one that they have to hide from her strict father Reverend Weld (Stephen Tobolowsky). However, when Lisa tells him that she is pregnant, Kelly now has to figure out a way to keep her from getting into trouble. He thinks he has found the answer when he discovers that his Uncle Theus (J.D. Rudometkin) has managed to transfer an embryo into a male monkey's abdominal cavity. Certain that this will solve all of their problems, Kelly persuades his uncle to do the same to him.