Closed the bar down
When you stay at a bar so late that they kick you out so they can finish cleaning and count down the register.
"I'm exhausted this morning. Me and some friends closed the bar down last night."
close the bars down
When you're out bar-hopping until the wee hours of the morn moving from a bar that's closing to a later-closing-bar until it's just time to call it a night and bang somebody. Event usually occurs from about 2AM to 4AM.
Hey, Saturday, what say you we close the bars down?