"Less refined" could be a possible antonym for "more clabbered." It indicates that something is not as polished, purified, or processed as it could be. Alternatively, "more liquefied" or "more homogenized" would have the opposite connotation, suggesting that a substance is more broken down, blended, or thinned out than usual. These antonyms could apply to a variety of substances, such as milk or cream that is left out and separates into curds and whey or a liquid that has been extensively processed, diluted, or mixed with other ingredients. In general, antonyms for "more clabbered" would describe something smoother, more liquid, or less chunky.