The act of 'muscling in' on someone who is chatting to a member of the opposite sex. Generally happens at a bar. A friend of yours may be talking to an attractive person, you go up and start chatting with the two of them, shifting the whole dynamic of the conversation on to yourself. Chances are it will be your friend going home alone tonight.

When you eat dirt for the first time and leave your family to build a shack in the woods