I think, generally speaking, that children have a knack for picking up curse words. Having said that, my brother and I (although admittedly, it was I who displayed a higher level of fluency) took to cursing like frogs take to jumping. Mind you, we received excellent tutoring along the way.
J.P. Sexton, The Big Yank: Memoir of a Boy Growing Up Irish
cursing, humor, ireland, irish-writer, memoir