make a beeline for
Go straight to, as in He made a beeline for the refreshments. In this expression, beeline means “the shortest distance between two points,” alluding to the route of worker bees bringing nectar and pollen back to the hive. [c. 1830]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.