Someone who is not focused when they should be, very scatter brained when they should be cool calm and collected.

Imagine bringing a monkey to church.
George drove from dealership to dealership like an excited little church monkey, instead of taking time to update his notes.
by NLMRSD September 20, 2013
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The process of destroying a persons day or life, or it can literally be taken as "smacking a monkey that is employed by the Magisterium." Thirdly it can be taken as direct interjection of religion into a persons life.

Origins: the 2007 theatrical version of The Golden Compass, Where Nicole Kiddman lays the smackdown on a poor defenseless primate.
"Why are you always trying to smack my church monkey?"
"I shouldn't have done that, it feels like I just got smacked by a church monkey."
by JaKeJa December 9, 2007
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