Third-person singular simple present indicative form of yerk.(verb)
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Use "yerks" in a sentence
"Imagine twenty thousand of them breaking into the midst of a European army, confounding the confounding the ranks, overturning the carriages, battering the warriors 'faces into mummy by terrible yerks from their hinder hoofs."
"A fig for her scruples! the hey-day blood yerks yet,"
"No one supposed that a New York jury would have condemned him; and yet it "yerks one," as Lord Burleigh has it, to see Murder walk away scot-free!"