Sex scenes in films are normally romantic, sensual and steamy. Sometimes they're a little awkward, sometimes funny or amusing, and quite often a tad disturbing. And then there are the scenes which can be just downright disgusting.

In honour of Universal Pictures' The Change-up, which can be out on Blu-ray and DVD from 23rd January, these filthy sex scenes are precisely what we're celebrating. In the film, Mitch (Ryan Reynolds) includes a weekly rendezvous with Tatiana (Mircea Monroe), a 9-months young pregnant woman he apparently met at childbirth class. While she's lovely, the scene is anything but as she charges in the flat demanding wild animal sex.

Feeling quite sorry for Dave (Jason Bateman), who is trapped in Mitch's body during the encounter, we chose to trawl through the past 2 decades and relive other films that made us wince, cringe, and canopy our eyes.

10. Harold & Kumar Head to White Castle, 2004

Kumar (Kal Penn) shows the world precisely how intense an affection affair with drugs is as he moans in pleasure during sex using a giant bag of weed. While seemingly every stoner's dream be realized, it's questionable how this asexual bag of marijuana can achieve much with no actual areas of the body.

9. American Pie, 1999

In one of the most classic sex-with-an-inanimate-object scenes, we cringe as Jim (Jason Biggs) is caught by his dad making love together with his mother's freshly made pie. It forever changed madness of warm apple pie making it us ponder the similarities between baked goods and sex.

8. Jack Frost, 1996

Jim's American Pie crush Shannon Elizabeth was previously crushed with a killer snowman with this cult classic, most notable for its hilariously poor acting. While intended as a difficult rape scene, it feels right a sordid sexual encounter between a snowman and a teen girl. Aside from the proven fact that Frosty appears like an enormous marshmallow, the grossest part may perhaps be that he's poking her regarding his carrot nose.

7. Good Luck Chuck, 2007

Having women literally arranging to nap along probably sounds like heaven to the majority men. Chuck (Dane Cook) learns it is usually the alternative when you're carrying it out together with the kind of freaks which are more tightly focused on praying to God the Saviour than pleasing you, or have a tattoo that reads George W. above her, um, bush.

6. Step Brothers, 2008

Dale (John C. Reilly) is taken by surprise in the men's toilet when his step brother's wife goes stalker crazy and demands sex. After hopping onto his bits and thrusting back and forth in a way that oddly resembles a woodpecker, she tells him to 'Stay golden, pony boy' before lifting a leg and going for a wee inside the urinal. Dale thinks it's incredible, that this kind of is actually you're into quick, woodpecker sex and women that wee like men.

5. Team America: World Police, 2004

In this controversial sex scene (nine edits must be shown to the Film Association of the usa before they will approve it), we see puppets go advertising online out of possible angle their plastic bodies allows. While their creepy smiles don't change whatsoever through the romp, their positions do a lot - each and every one causing us to wonder increasingly more who cares we're doing watching disturbing doll sex.



4. The Hangover Part II, 2011

Each of us don't actually see the sex scene between Stu (Ed Helms) along with the Thai transvestite he's got emotional sex with while fog out drunk, our imagination costs nothing to envision some pretty dirty images. What we should understand to determine is Stu's priceless reaction as 'she' reveals her private parts anf the husband comes to terms with all the undeniable fact that he earned want to a she-he.

3. The Change-Up, 2011

Dave (Jason Bateman), while kept in Mitch's (Ryan Reynolds) body, is seduced by the very pregnant and horny woman, who's expecting her weekly sex session. She lunges toward him, her enormous nude belly at the forefront, and attacks the repulsed Dave-as-Mitch. Yes, expecting mothers are beautiful, but not when you are able see their baby's foot protruding through their enlarged stomach. The subsequent scene isn't much better, as Mitch-as-Dave is privy to Dave's naked wife having a massive poo for the toilet.

2. Bad Santa, 2003

Billy Bob Thornton shows us a side of Santa we never wished to see whilst engages in anal sex using a prostitute within the dressing room in the office. The scene virtually destroys the visions there was as children of jolly old Saint Nick and his awesome sweet Mrs. Claus.

1. Kingpin, 1996

Roy Munson (Woody Harrelson) opts for repulsive sex along with his landlady rather than paying rent. Post sex, as they is projectile vomiting within the toilet, she questions their bond between good sex as well as a good crap: 'What would it be about good sex that always makes me ought to crap? Guess to make sure that pumping. Pump and dump.' How poetic.

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