Exaggerated form of please, short for if you please, an intransitive, ergative form taken from if it pleases you, which replaced pray.
"puh-lease." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/puh-lease>.
puh-lease. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/puh-lease
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