Top definition
when someone dresses like a 12 year old. examples of sixth grade syndrome are nike sneakers, track pants, and a t shirt.
Girls won't settle for guys who have sixth grade syndrome, we like guys who can dress themselves.
Mark looks like a twelve year old today, he must have sixth grade syndrome,
by frat boi September 25, 2017
Get the sixth grade syndrome neck gaiter and mug.
Aug 1 Word of the Day
the act of texting people while you are pooping
ex. (talking to a friend on fbook chat)

person 1: hey man whats going on tonight
person 2: i gotta go to the bathroom il poopt you

or

person 1: whatsup man what are you doing?
person 2: poopting you
by mr.poopter January 26, 2011
Get a poopting mug for your brother Georges.
2
when boys over the age of 13 only wear under armour sports perfomance t shirts, basket ball tshirts, and knock off yeezys. careful guys, its easy to contract this disease
Susan, you should never date a guy with sixth grade syndrome.
Nicholas Peter, you're 63 years old, stop dressing like your grand son!!!

Sean: "the under armour outlet mall has a huge sale going on! wanna go?"
Ben: "no because im not nerda af, and i dont suffer from sixth grade syndrome"
by frat boi September 27, 2017
Get a sixth grade syndrome mug for your Facebook friend Callisto.