What's this whole thing with crayons and the marines? Is it an inside joke or something? - Quora
Do Marines really eat crayons? Only the red ones
Crayon-eating Marine trope - Wikipedia
Why 'Crayon-Eater' is actually just a bad joke | We Are The Mighty
Today Marine are called Crayon Eaters A derogatory term used to identify US Marines, often used by the other branches who feel inferior to mock their... | By Crayons Ready-to-Eat | Facebook
Why are there so many jokes about Marines eating crayons? - Quora
Crayon Eater / Marines Eat Crayons | Know Your Meme
Why do people say Marines eat crayons? - Quora
Someone finally made edible crayons for Marines
What It's Like to Have a Young Son With Pica -- Science of Us