Command. The opposite of "grow up." It serves as an instruction to the listener to cease activities that are considered by the speaker to be overly refined, mature, or stuffy. Often used by people who wish to continue to employ high school jokes about how "gay" someone is.
Friend 1: I don't find it funny when you call people "gay" as a way to say you don't like them.
Friend 2: Grown down.
Friend 2: Grown down.
by Learned Hand 2 February 02, 2010
by abulah cadulah. yeah. September 09, 2008
Anyone who isn't on urbandictionary
by SyamimNijam January 19, 2019
by FrankMOBB October 26, 2003
Something southerners say whenever a Kid/Teen actually sounds smart and uses proper grammar, instead of talking like a dumb southerner.
Billy Bob: Y'all it was the dumbest thing I ever did see!
Child: Well, you know, I had a fun experience there, too-
Billy Bob: Hey. no one was talkin' to you! Don't be talking grown, ya hear me! This is grown people conversation!
Child: Well, you know, I had a fun experience there, too-
Billy Bob: Hey. no one was talkin' to you! Don't be talking grown, ya hear me! This is grown people conversation!
by KennywoodMemories January 31, 2019
by bangbangletchyanutshang September 19, 2003
To get better, develop, or improve.
by mixnmash May 06, 2016