pregaming
n.— «One common ritual he saw while reporting for the book was “pregaming,” where underage students sat in their dorm rooms or apartments and drank massive amounts of alcohol, usually hard liquor, in order to catch a buzz before going out for the evening.» —“Binge Drinking Entrenched in College Culture” by Jonann Brady ABC News Sept. 7, 2005. (source: Double-Tongued Dictionary)
Further reading
When you had sleepovers as a child, what did you call the makeshift beds you made on the floor? In some places, you call those bedclothes and blankets a pallet. This word comes from an old term for “straw.” And: What’s the story...
Jacuzzi and silhouette are eponyms — that is, they derive from the names of people. An Italian immigrant to California invented the bubbly hot tub called a jacuzzi. And the word silhouette commemorates a penny-pinching treasury secretary who lasted...