Time of day when your DNA turns into NAD (need a drink) and your feet carry you to the nearest bar.

A hottie's butt crack, when vertical

Much like "Beer Thirty", "Shot O'clock" references ANY time of the day in which the mood reflects the need for a shot glass filled with any strong liquor, preferably Patron or any Tequila.

7:07 AM (upside down, says LOL). When the alarm goes off again after you snooze it at 7:00. See also leg o'clock.

anytime you need a beer.

When its that time to have a great dip sesh with the crew.

1. A scheduled time to take a tea-break.

2. All the time.