The expression that is constructed with a pronoun (me, te, le, nos, les) followed by the phrase « . . . "something is of no importance to someone, which is of little value." Here the most important reference is in "pito", which is a "whistle, a pifano or piccolo" that is played in military bands; but as to play this instrument do not need much musical knowledge, in spain in the mid-twentieth century the place of the pifano or pito used to be occupied by children orphaned by war, more than anything to keep them entertained. His contribution to the band was so scarce, that among the military the phrase "I don't give a damn!" was used to express contempt for a fact, which is considered of little value.