biggy

/B IH1 G IY0/
noun
  1. 1

    (colloquial, chiefly in the negative) Big deal.

  2. 2

    (colloquial) Something large in size in comparison to similar things.

  3. 3

    (colloquial) Something impressive in comparison to similar things.

  4. 4

    (originally US, colloquial) A person of importance or power, especially in the entertainment industry.