If its sole aim is to be irreverent and irresponsible, the college sex comedy Road Trip gets top marks.

Its model is undoubtedly Animal House, but it owes just as much to last year's gross-out teen comedy American Pie.

If those American Pie alumni actually graduated, they'd probably be registered at Road Trip's fictitious University of Ithaca.

Seann William Scott -- who played the jock in American Pie -- stars as E.L., the rowdiest of the college kids in Road Trip.

This time, he gets to donate sperm to help pay for gas for the road trip.

The cross-country trip is necessitated when Josh (Breckin Meyer) sends the wrong videotape to his girlfriend Tiffany (Rachel Blanchard), who is attending the University of Texas in Austin.

Josh is resolutely faithful to Tiffany until he buys Beth (Amy Smart) at a frat auction E.L. masterminded.

To show her appreciation, Beth seduces Josh, suggesting they videotape their tryst.

Josh and Tiffany are in the habit of exchanging weekly videos and the wrong one ends up in the mail.

Josh has to get to Austin before the U.S. Mail.

It's a flimsy premise meant only to link an escalating series of outrageous incidents.

Josh's travelling companions include E.L, Rubin (Paulo Costanzo) the pot-smoking philosophy major and Kyle (DJ Qualls) the campus nerd.

The guys need Kyle because he has a car (but not for long) and a credit card (but not for long).

E.L. borrows a bus from a school for the blind, Kyle loses his virginity to a lusty African American co-ed, E.L. lusts after a fertility clinic nurse and the boys see firsthand the staggering effects of Viagra.

This particular road trip has achieved mythical proportions at Ithaca thanks to Barry (Tom Green), who tells it yearly with feverish enthusiasm to groups of prospective students and their parents.

Because the story is told through Barry's eyes, it gets to be embellished with ample female nudity. In Barry's imagination, co-eds wander about their dorms naked.

Rampant chauvinism doesn't begin to describe Road Trip, but that is meant to be part of its appeal. Green is hysterical.

He lets Barry wear his libido on his sleeve and can still appear like an overgrown child. His scenes are among the funniest in the film because Green has such elastic features.

Road Trip hits its share of bumps and some of the detours end up nowhere, but when it's sailing, it's a wild, uproarious ride.

(This film is rated: AA )

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