21 & Over is a 2013 American comedy film written and directed by Jon Lucas and Scott Moore, in their directorial debut.

The film stars Justin Chon, Miles Teller, and Skylar Astin, and follows a trio of friends who go out drinking to celebrate one of their 21st birthdays despite having a medical school interview the following morning.

For fun, they strip Jeff, write "Douche Bag" on his forehead and glue a teddy bear to his crotch.

Embarrassed, bruised, and sporting bright-red spanked buttocks, they are released and walk across campus wearing only tube socks over their genitals.

Casey blames Miller's immaturity for their predicament, unleashing long-simmering mutual resentment that culminates into a brawl.

Dr. Chang berates him until Jeff orders him to leave, surprisingly earning him Randy's respect, who resents his own domineering father.

Jon Lucas and Scott Moore had worked together previously as writers on multiple films, including The Hangover, The Change-Up and Ghosts of Girlfriends Past.

[5][6] Key scenes were filmed in Lewis Hall, the University of Washington Medical Center, University Way NE, locally known as The Ave, the Greek fraternities and sororities on 17th Ave NE, the UW's Husky Stadium area, and the UW's Quad and Red Square.

Relativity Media has been criticized by civil rights advocates for shooting part of the film in the city of Linyi, Shandong province in China, and choosing to ignore the area's bleak human rights records, notably the treatment suffered by activist lawyer Chen Guangcheng, who was being held under house arrest in a nearby village.

The site's critics consensus reads, "Though it strives to mimic The Hangover, 21 and Over is too predictable, too unabashedly profane, and too inconsistently funny to carry the torch.

"[9] On Metacritic, the film has a weighted average score of 34 out of 100 based on 21 critics, indicating "generally unfavorable reviews".