Why turkey has the same name as Turkey
a party featuring beer supplied in kegs, esp. at a college; also called keg party
a keg of beer
1630s, earlier kag (mid-15c.), from a Scandinavian source, cf. Old Norse kaggi "keg, cask," of unknown origin. Cognate with Swedish kagge, Norwegian kagg. Specific sense of "barrel of beer" is from 1945. U.S. student slang kegger "party featuring a keg of beer" attested by 1969.
A beer party; beer bust (1960s+ Teenagers & students)