popple /ˈpɒpl̩/verb 2noun 2forms 3 verb2 •Of water, to move in a choppy, bubbling, or tossing manner. •To move quickly up and down; to bob up and down, like a cork on rough water.His Brains came poppling out like Water — 1675 noun2 •Choppy water; the motion or sound of agitated water (as from boiling or wind).Commander Birch was a trifle uneasy when he found there was more than a popple on the sea; it was, in fact, distinctly choppy. — 1928 •(dialect) poplar formspoppled · poppling · popples