Idioms and Phrases with get real
Be realistic, understand what's going on, as in You think you'll win the lottery if you buy one ticket a week? Get real! [Slang; second half of 1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.