A fork of Rural Dictionary
Doodle happy is to be doodling and get carried away.
Oh, who got doodle happy over here, look at the wall!
A term first coined by a mathematics teacher in Hwa Chong Institution which soon became a meme among students. General definition is "understand?". Often used responded with sad rice.
1+2 is 3. Happy doodles? Happy doodles? Sad rice!