Don't get me wrong a drink in the afternoon is fine, but drinking to the point where you can't even make a cogent point at 330pm is a problem
co·gent
ˈkōjənt/Submit
adjective
(of an argument or case) clear, logical, and convincing.
synonyms: convincing, compelling, strong, forceful, powerful, potent, weighty, impactful, effective;
I looked it up. Its a real word