mel·low·box   mel-oh-boks noun; adjective

1. soft, controlled, boring and serene.
2. disinterested, inability to enjoy social settings.
3. person who spends a lot of time sitting or lying down.
4. person that lacks enjoyment of alcohol and fun.
5. antonym of slaybox

When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.