: existing or occurring before a game
the athlete's usual pregame meal/warm-up The Bulls had finished their pregame shooting and were returning for the regular pregame meeting to go over the scouting report …—Sam Smith
: to begin drinking alcohol before an event or activity (such as a party or a night out)
Her friends, all in their 20s and pregaming for a Saturday night out in the bars, nodded enthusiastically.—Dan Kois On the same principle, pregaming with a few shots before you arrive is a risky maneuver. You should be relatively sober when you present your host gift and size up the situation.—Pete Wells
Pregaming … is the practice of consuming alcohol before going to a social event.
… students reported higher rates of pregaming and alcohol-related blackouts than national averages.
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