pre-drinking
n.— «Because of the high cost of drinks in bars, those who can legally drink participate in what is known as “pre-drinking,” where they down as much as they can before they go out.» —“Mel’s Hell” by Georgie Binks CBC News (Canada) Aug. 11, 2006. (source: Double-Tongued Dictionary)
Further reading
Astronauts returning from space say they experience what’s called the overview effect, a new understanding of the fragility of our planet and our need to reflect on what humans all share as a species. A book about the end of the universe...
In the 15th century, the word respair meant “to have hope again.” Although this word fell out of use, it’s among dozens collected in a new book of soothing vocabulary for troubled times. Plus, baseball slang: If a batter...
It is usually called “pregaming” by the hip kids:
http://abcnews.go.com/GMA/Health/story?id=1085909&page=1
Nice, thanks, I’ve made a cite.