life of the party
A lively, amusing person who is the center of attention at a social gathering. For example, Eileen was the life of the party, telling one good story after another. [First half of 1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.