http://tvtropes.org/pmwiki/pmwiki.php/Main/FunbagAirbag

Fun for boys and girls.

Fanservice trope, and a subtrope of Marshmallow Hell and Accidental Pervert. Someone turns to leave, is running without looking where they're going or trips over (if they are One Head Taller)... and buries their face directly into someone's feminine assets, pushing it apart with the same effect as a car's airbag deploying and absorbing the shock. Sometimes they bounce off, sometimes they get stuck. even if they're not stuck, it's common for them to stay in that position at least long enough to exchange initial greetings.

What differentiates this from Marshmallow Hell is:

It's never intentional, on either side. Whether or not people who were watching think otherwise is part of the joke.

Can happen to both genders — in fact, since the stationary woman has to be one and a half heads taller, women tend to be the primary demographic. (See the MegaTokyo pic to the right.)

Available to all ages, especially those old enough to enjoy it.

Compare Crash-Into Hello, Thanks for the Mammary, Cry into Chest, and Living Crashpad. Subtrope of Suggestive Collision.

Examples

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Advertising

In one currently airing reality show commercial, a preteen boy and his older sister go in for a chest bump. However, the older sister is definitely outside of his age range and looks suitably more mature. So they go up for the chest bump normally, but he winds up on the floor.

In The Ladders advert at the beginning a man is pushed over by a woman chest first [1]

Anime & Manga

Comics

Fan Fics

Films — Animation

Happened chastely in The Iron Giant for a quarter of a second. Special Agent Kent Mansly (He works for the govern— SLAM!) knocks on the front door of the house, rehearsing his lines and staring at Hogarth's damaged BB gun when the door is opened by Hogarth's mom, Anne. Kent rapidly raises his head to talk to her and smacks it accidentally into the underside of her ample cleavage, resulting in a BOINNNG sound.

Films — Live-Action

Literature

The Alternate Reality Episode Eighth Doctor in the Doctor Who Eighth Doctor Adventures novel The Blue Angel probably would have enjoyed this particular advantage of being rather short more if he weren't Ambiguously Gay. On my way up the stairs, though, I walked straight into the medium herself, surrounded by her entourage. I bumped right into her, my nose centimetres away from her plump pink bust.

Occurs in Thunderhead, by Douglas Preston and Lincoln Child, when a male scientist falls during a rock-climbing accident, and is caught by a certain generously endowed female scientist below him, cushioning his face in a very sensitive area.

Live-Action TV

Star Trek: Enterprise. Captain Archer and his Ms. Fanservice science officer T'Pol are captured and tied together by rebels in "Shadows of P'Jem". Whilst struggling to free themselves they trip and Archer's face ends up right between the best Vulcan peaks outside Mt. Seleya.

Two and a Half Men: Alan and Charlie are removing a passed out, scantily-clad woman from Charlie's bed, and Alan, who is carrying her by the arms, slips and falls on her. We don't see how he falls, but we do hear his muffled reply: "Oh, my God! They're real."

Video Games

Visual Novels

In SHUFFLE!, Rin stumbles in the classroom and crashes into Nerine. She takes advantage of the situation by giving him a hug, which is a lot more forward than her usual demure personality.

Web Comics

Western Animation

In the pilot of Korgoth of Barbaria, one of the thugs in the bar fight gets flung across the room by Korgoth, and he lands face-first in a barmaid's cleavage. He doesn't leave to rejoin the fight (considering the guy he was fighting, it's an excellent idea).

In Family Guy, Quagmire makes this trope literal. His car has blow-up sex dolls in place of airbags, so when he crashes it results in this trope.

Happens to Woody Woodpecker in the cartoon "A Fine Feathered Frenzy." While he is trying to escape from Gorgeous Gal, a love-struck old overweight yet wealthy crow he opens a door while not looking where he was going. Behind the door Gorgeous was waiting for Woody with her lips puckered. He runs right into