Merp can be used in an catch-phrase to throw people off guard or to have one beg the question Does this person really think he is a grammatitician, I think not! Additionally, one can use the word merp as a euphemism in public as not to offend any people in proximity.
Natural birth to some women means a labour without any medical pain relief, leading to a vaginal birth, and possibly third stage, without any interventions at all. Midwives and obstetricians have their own working definition of natural birth, which sits somewhere in between these different viewpoints.
One universal point most all early publicists agreed on was natural-born citizen must mean one who is a citizen by no act of law. If a person owes their citizenship to some act of law (naturalization for example), they cannot be considered a natural-born citizen. This leads us to defining natural-born citizen under the laws of nature â laws the founders recognized and embraced.