Big Plans 

If a person has 'big plans' they are attempting to, or are going to carry out a school shooting. Particularly if mumbled whilst leaving a classroom.

Person 1: "Hey, are you excited for school on Monday"
Person 2: "Yeah, I've got some BIG PLANS"
Person 1: Avoids Person 2

Big Plans by DankTuna May 17, 2016

Mr Big Plans 

Someone who is dumb and fat who is nearly as stupid as Trump.

Mr Big Plans stuck themiddle finger up at me

Mr Big Plans by Mimi Moo-Moo January 31, 2022