his spanish came out horribly slurred and , i suppose , thinking to add further insult , but unsure if any of his words would sound any clearer , he threw back his head , so that his long bluish black hair hung down on his back like an ink spill , and he crowed : urph-a-urph-urph , urph-a-urph-urph ; his tongue arched and flopped in his mouth in a way english-speakers could never hope to imitate ; his arms , tucked under his armpits , began flapping at his sides and one leg lifted to paw the air as though he had metamorphosed into a new mythical beast , the upper half a rooster , the lower half a peeing male dog .