A subtle way of calling a trashy person. These are the trash of the party-- very likely the uninvited townies who crash a random party and spread their dak-ness.
Sarah: Oh wow, what a dak!
A group of individuals, usually a trio, who find intense amusement in speaking in different accents throughout an evening. These individuals usually stick with each other given the fact their peers cannot understand their unique sense of humour and/or be involved within said krew.
Person 2: Oh that's just a memeber of DAK.
Person 1: That's kind of cool.
Person 2: I know I wish I was a member of DAK, they're kind of exclusive though.
Person 1 & 2: *walk away disappointed*