Acroynm for "I can't even be bothered." While most often used for it's literal translation, especially for purposes of abbreviation over electronic communication, the acronym can also be used figuratively to convey an attitude of apathy, laziness, superiority and spoiled youthful carelessness in a number of contexts.
Example one:

Mary: Did you read this article about polar bears drowning in the north pole?

Dick: ICEBB

Example two:

Mary: Where r u?

Dick: lost in malibu, phone dying, icebb.

Example three:

Harry: My boss just asked to run those numbers again... ICEBB- where should we happy hour?
by MurrT$ November 22, 2010
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