Based on the search results, the "toothpick thing" for guys can refer to different things depending on the context. Here are the possible meanings:

• A symbol of masculinity: According to an article on Grand View Outdoors, the toothpick is a symbol of a certain type of man that channels what Filson works to epitomize. It signals either the alpha dog or the mans man or both. The article also mentions that the toothpick is often associated with skilled tradesmen, farmers, and ranchers.

• A stereotype in movies: In movies and TV shows, tough guys are often portrayed as chewing on toothpicks or matchsticks. This is a common trope known as "Oral Fixation" and is presented to make the character look cool or badass. It is also a safer option than smoking as there are smoking rules in many countries too.

• A meme: According to a Reddit thread, the "toothpick thing" is just a meme. People like to put big things up their ass too, that doesnt mean you can try with a glass.

• A skill: There are also videos on YouTube that teach how to throw a toothpick.

In conclusion, the "toothpick thing" for guys can refer to different things depending on the context. It can be a symbol of masculinity, a stereotype in movies, a meme, or a skill.