One who eats all their friend's cereral at his/her friends house and eats all the cereral at at Walmart without waiting to pay for it.

People who are pouring the milk before the cereal.

Someone who who eats NOTHING BUT CEREAL every single day for breakfast and constantly buys cereal and even sometimes steals yours AND IT'S REAL GETTING REALLY FUCKING ANNOYING WHY DID YOU EAT MY CURIOUSLY CINNAMON JIMMY THAT SHIT'S EXPENSIVE AND YOU FUCKING KNOW IT

When you eat cereal for breakfast and you still have some milk left in the bowl and you add more cereal and again and again... Until you run out of milk with some cereal left in the bowl then you add more milk...

to ejaculate around breakfast time

CD for short and CD is the best cereal parent of all times with Trox so All Hail CD and only CD because CD the best parent ever

When your breakfast cereal rapes you. Usually it's captain crunch or Frosted Flakes.