Real Dictionary

go for the jugular
phrase: If you say that someone went for the jugular, you mean that they strongly attacked another person's weakest points in order to harm them.

go for the jugular in British English
to attack a vital and vulnerable trait, feature, element, etc., in an attempt to overcome somebody or something swiftly and totally
to attack an opponent or enemy very decisively at the point where you can cause the greatest damage
to be ruthless, as with an opponent
to make a savage and destructive attack on an enemy's weakest point