A fork of Rural Dictionary
The act of being unfaithful as a result of fear that one's mate will someday be unfaithful.
My wife was afraid I was going to sleep with my secretary so she pulled a pre-emptive strike with the pool boy.
To refrain from initiating or responding to a Facebook "poke" from anyone but one's romantic partner. Antonym: Facebook whore
She dumped him because he "poked" every female on his Facebook friends list and she was Facebook faithful.