jug·u·lar 
/ˈʤʌgjəlɚ/ noun
plural jug·u·lars /ˈʤʌgjəlɚ/ noun [count] : jugular vein
go for the jugular
informal : to attack or criticize an opponent in a very aggressive way
▪ He will very quickly go for the jugular in the debate.
▪ He will very quickly go for the jugular in the debate.
