What a member of a group would say to suggest that some behavior is the group style, or that it's the way they usually do things. Usually said with anything from excitement to modesty, it is the response for anything from a compliment to disgust to total disbelief.
Was that you guys last night, outside the police station?
A phrase used when announcing badassery. Also used when something works out perfectly, or better than planned. It is generally sung, such as in the song.
Em: "Dude, I just found $100!"
Jill: "This is how we do it!"