1.One who will continuously publicize others who posses foibles.
2.Such actions are constant.
3.Such thoughts eventually become subconscious to the point where reasonable thinking is unattainable
“Look at that guy, he walks like a duck, and I’ve never seen him brush his teeth.. Oh g-d, I’m such a foibler.”
Verb: Ruin, thwart, dull, put a dent in or jacked up. To mess up. It's formally used as a noun, but most appropriately, the word is best used as a verb.
I've just foibled his evil plans. Muahaha.
OR I've foibled the tip of his sword.