Via the Huffington Post: The number of children living apart from their fathers has more than doubled in the last fifty years, from 11 percent in 1960 to 27 percent in 2010.
crust - the trait of being rude and impertinent; inclined to take liberties cheekiness, insolence, impertinence, impudence, freshness, gall rudeness, discourtesy - a manner that is rude and insulting
1814, Modern Latin neuter plural of crustaceus (animalia), literally having a crust or shell, from Latin crusta crust, rind, bark, hard shell (see crust (n.)). Taken as a zoological classification by Lamarck, 1801; Cuvier (1798) had les insectes crustacÃ©es. Examples from the Web for crustacea.