Euphemism for drunk, popularised by Canadian political satire magazine (qv Britain's 'Private Eye') "Frank." May also refer to a habitual drinker/alcoholic; somewhat synonymous with "over-refreshed."
Stephen Harper, not normally seen in the company of the moist and garrulous, was coaxed to attend the party...
Garrulous = talkative. Some who is very talkative is often referred to as being garrulous. Bloviating is a from of being garrulous - when one is a longwinded pompous windbag he is bloviating. He is also being garrulous at the same time by being overly talkative.
Most politicans are garrulous - overly talkative about little of importance - talking more about themselves.
Another term for someone who tends to be garrulous - is popinjay. A popinjay is a person who talks way too much in a conceited manner.
I recently went to a political fundraiser - for the most part the speakers were garrulous - way to talkative with out saying anything substantive. There was more bloviating taking place than important discussion. These garrulous windbags were being popinjays.
A word that emphasizes how ridiculouswords are that incorporate gigantic with any other word (such as ginormous, ginormic, ginormious, ginormagantuan, ginormus, ginormohumoungantious, ginormihumoungantigargantuan, etc.)
Why don't you just say "large"? Saying "ginormous" makes you sound gidiculous!