(idiomatic, vulgar, slang) Something that ruins or spoils everything else; a nuisance or problem; an unpleasant or disagreeable detail.

An unrefined brown sugar with a strong flavour of molasses.

(transitive) To beat (someone) up by punching, to fist-fight. / (intransitive, slang) To attack or target a group of greater power or status than oneself.

plural of dolichoderine