The baddest motherfucker in any group of Gs or Hustlas. The Big Dog is the shot caller and will whoop the ass of anyone present who does not fall in line.

A term used to describe a friend, colleague, or person. Can be used in the place of Words such as Man, Bro, Dude, etc.

One at the top of his game.
Be it Business Man, Doctor, Drug Dealer, Pimp etc.

to replace a guys name,
what you call a person whos name you forgot, a friend, a homebro, a co-worker, an acquaintance, a stranger

A term bloggers use to refer to President Bill Clinton.

a friend who is older and who also happens to be a sorority big. she is an older motherly figure. big dog mother fuckers

To be a big dog is to embody what it means to be self-oblivious, to be unaware of the fact that you're the biggest meme of all time. A big dog can also be used at the tail end of an insult to boost it's credibility. Or, big dog can mean you're cool