Preventing religious figures from converting others.
I like to shadow Jehovah witnesses and when people finally let them in run up and make a big scene to scare them off, I call it flock blocking
by UnReal Definition November 21, 2014
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Flock-Block, is the romantic version of a Cock-Block
Person 1: {to person 2} ...so I was wondering if y-
Person 3 (not part of the convo): hey, person 1 ... I need to talk to you for a second

Person 1: {whispering to person three} dude, stop being such a Flock-Block everytime I talk to person 2
by Angry raccoon December 08, 2018
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One who facebook blocks those friends of their significant other that intimidate them sexually and make them feel insecure.
Kelsea flock blocked Margo, Mary, and Riana because her boyfriend enjoyed flirting with them and it made her feel insecure about their relationship because they were so awesome.
by Blower's Daughter May 24, 2011
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