An ambiguous exclamation. The delivery or denotation is most opportune when gauged by the speaker. This exclamation is best followed by mimicry, in which those around the speaker "cung" in succession.
Be careful, your guns is no match for Cung Pham!
This guy is so Cung Pham!
Blinging like Cung Pham!
Damn, thats some Cung Pham right thurr. He's so fly.