I think the only time I would consider myself drunk at WDW occurred during the closing of The Adventurer's Club. I was staying in SSR, and that was a very difficult walk back across the LBV golf course.Do we have to count nights at Pleasure Island? If so, I'm in trouble.....
My wife and I did do a wine and cheese tasting at food and wine once, where there were issues (the MC was blathering on and on and certain cheeses were not quite up to temperature to taste yet) and it was taking forever. To keep everyone happy (we think) they poured the wine samples with a very heavy hand (and refilled them too). We were not what I would call drunk, but I would never have tried to operate a motor vehicle after that tasting. We had a wine and food Italian lunch scheduled in Via Napoli right after that wine and cheese tasting ended too (Via Napoli had normal sized tastings, and was at a much more appropriate pace)