1. a funny name to call your teachers.
2. (edible) nuts that are colored rainbow.
2. ballsacks that are rainbow colored.
4. a kneeslapping inside joke to share with your friends.
1. Mr./Mrs._______ is a Rainbow Nut!!!
2. Those Rainbow Nuts are yummy.
3. Have you seen that man's Rainbow Nuts?
4. Would you like to be my Rainbow Nut?