look up any word, like plopping:
 
1.
someone still in grade school (k-8th)
someone who is so young they havent even reached highschool yet
ie. 6th 7th or 8th graders
by 4434 May 02, 2004
 
2.
1. A childish person or situation

2. A n00b or a rook
"Hey, you wanna go to the mall?" - Bling

"Nah, man, that's grade schooler crap," - Chaotix
by Blue Drache November 22, 2004