childish

1. people who are 20 but act like 9

2. people who scream like a little 7 year old girl

3. people who sometimes don't care about their responsibilities.

14 Year Old: *starts acting stupid*

Me: boi, you are SO childish!

14 Year Old: what? what does that mean?

by thatunkownwaffle February 5, 2018

childish

What many adults prentend not to be, and what many childen aren't.

Bob "I'm so childish"
Steve "Nothing wrong with bein' childish now and then. We all are at some point."

by Fly Attack December 21, 2009

childish

What most adults act like...

WW1,and 2, all wars, Holocaust, 9-11, slavery...etc

by Lindsay February 25, 2003

childish

Jersey slang for when somebody is acting mad immature or stupid/goofy

You’re acting mad childish right now

by jersey01 March 30, 2019

childish

Something immature boys will call you in middle school because you won’t suck their dick

joe: dude she’s so childish she won’t suck my small dick

connor: yeah bro we should ignore them

by prudesister101 May 30, 2019

childisher

someone who call someone childish, and is more childish then them

your childish..so your childisher

by Johnny Cummings November 15, 2006

childish

See Ellen, Project Pekingese, and soccer mom

I hate childish people, especially if they are authority figures.

by Shawn B. April 3, 2003