When someone takes things too seriously and kills the mood.
or
When someone older or more "mentally mature" inappropriately calls you out for being childish.
or
When someone older or more "mentally mature" inappropriately calls you out for being childish.
by Eatmyearlobe June 6, 2017
Get the Pulling a Valmug. by SSSBTS March 13, 2021
Get the Pulling a Valmug.