the day of our king - his birthday or day of inauguration.
have made him sick - namely, the king. Maurer translates, “make themselves sick.”
with bottles of wine - drinking not merely glasses, but bottles. Maurer translates, “Owing to the heat of wine.”
he stretched out his hand with scorners - the gesture of revelers in holding out the cup and in drinking to one another’s health. Scoffers were the king’s boon companions.