A way to describe someone younger than you. Usually derogatory. Meaning they are like 12 years old even if they are not.
She is clearly 'like 12'
by Ms Monk June 24, 2016
Referring to someone younger than yourself that is normally trying to show off about something without knowing their age.
Shut up! You're like 12
by LzLeo August 25, 2015
by kittenslover3000 October 21, 2018
by Evan the addict x April 18, 2019