Calling "dibs" is the American English term, also known as "Bags" in the Australia and New Zealand, and as "Bagsies" in UK and Ireland, for an informal convention where one declares a first claim to something to which no one else has a clearly recognized right. Calling "dibs" or "Bagsies" is only possible when the caller wants the responsibility of the object. It is important to note that it is not possible to "undibs", if the caller wants to. Such a declaration is often recognized in certain cultures, or sub-cultures, as a means to avoid arguments over relatively trivial issues although can be...