blue card 

someone who prefers using blue card while invading instead of gold because it does more damage

random: " why didn't you use gold card dude?"
tf: " blue card is better"

blue card by milkaby December 26, 2020

blue card 

A harsh highschool payout used on anyone who is dating someone much younger than themselves, meaning dealing with children, as you would need to be a teacher or nanny.
See cradlesnatcher

Duuude, you're sixteen and going out with a twelve year old. You need a blue card...

blue card by xXluvable.little.anonymous.emo.chickXx August 23, 2006