This image makes a great humorous birthday card with all kinds of tag line opportunities. By showing the bear emerging from a porta potty we are able to retain a sense of decorum while explicitly indicating the bears propensity to answer nature's call in the woods. The humor is accentuated by the bears expression of shock and surprise at being caught using the facility. 

Does a bear S--t in the woods? Finally, photograph proof in this image of a bear exiting a porta-potty deep in the woods!

The idiom "does a bear poop in the woods" is a humorous and colloquial expression used to convey a sense of absolute certainty or a rhetorical question with an obvious answer. The complete phrase is often "Does a bear poop in the woods?," and it is typically employed in informal language to emphasize the obviousness of a situation or response. Here are some key aspects of this idiom:

1. Literal Meaning:

The idiom is a playful and exaggerated way of expressing something that is widely known or generally accepted as true. The humor lies in the simplicity and self-evidence of the question.

2. Rhetorical Nature:

The question is rhetorical, meaning that the answer is so evident that it doesn't require a response. It's akin to saying, "Of course!" or "Isn't it obvious?" The idiom is used when the speaker wants to highlight the certainty or predictability of a situation.

3. Use in Everyday Language:

This idiom is frequently used in casual conversation, often to respond to a question or statement where the answer seems apparent. For example, if someone asks, "Will it rain tomorrow?" and the weather forecast has been predicting rain, a person might respond, "Does a bear poop in the woods?"

4. Cultural References:

The idiom is likely derived from the stereotype of bears as wild animals that inhabit forests or woods, making the idea of them defecating in that environment seem very likely and almost comically obvious.

5. Expressing Certainty:

Beyond its humorous undertone, the idiom is used to assert a high level of certainty about a situation. It's a way of expressing confidence in a particular outcome or response.

6. Variations and Extensions:

The structure of the idiom lends itself to variations and extensions. For instance, one might hear "Does a bear poop in the woods? Is the Pope Catholic?" Both phrases are used to emphasize certainty in different contexts.

7. Pop Culture and Humor:

Due to its simplicity and humor, the idiom has found its way into various forms of popular culture, including comedy sketches, memes, and everyday banter.

8. Informality and Playfulness:

The idiom is decidedly informal and carries a playful tone. It's not typically used in formal or serious discussions but rather in situations where a lighthearted response is appropriate.

9. Applicability to Various Contexts:

The idiom can be applied to a wide range of scenarios, making it versatile. Its adaptability allows it to be used in response to various questions or statements where the obviousness of the answer is being emphasized.

In summary, "does a bear poop in the woods" is a humorous and widely recognized idiom used to emphasize the certainty or obviousness of a situation. It adds a touch of playfulness and colloquial charm to everyday language, making it a favorite in informal conversations where a light-hearted and confident response is desired.