It opens with a cute infant projectile-defecating into the mouth of his dad (Jason Batemen) and never gets better. Solid bourgeois lawyer Bateman and his crass bachelor chum (Ryan Reynolds) switch bodies, thanks to magic (a blackout!) while urinating into a public fountain. That allows the horndog to vulgarize Bateman's life, as Bateman turns into a bewildered party animal. Director David Dobkin (Wedding Crashers) and the writing duo behind the Hangover films have only attitudes, no ideas, and all the subtlety of an ape opening a beer can with a crowbar. The use of women is dismal, including a cheesy soft-porn scene, though Olivia Wilde tries to swank it up with her nubile bod and super-babe smile. This is "adult" comedy for the terminally adolescent. (2011) — David Elliott
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