Mary Roach said this quote
“ Meaning 'by way of the anus'. 'Per Annum', with two n's, means 'yearly'. The correct answer to the question, 'What is the birthrate per anum?' is zero (one hopes). ”
“ Meaning 'by way of the anus'. 'Per Annum', with two n's, means 'yearly'. The correct answer to the question, 'What is the birthrate per anum?' is zero (one hopes). ”