Acronym for "Oh My Ron Paul", an alternate to the phrase "Oh My God/ Oh My Gosh", used as an exclamation by diehard Paulbots, who worship the former Texas Congressman Ron Paul. Ron Paul is the nation's leading voice for free market, individual liberty, non-interventionist foreign policy, and sound money, who is a 12th-term Congressman from Texas and ran for president in 1988, 2008, and 2012. The phrase is intended to replace 'God' with 'Ron Paul' as a way of showing their worshiping of Ron Paul as a deity.
"OMRP, I lost my car keys."
"Oh my Ron Paul! It's Ron Paul himself!"