An expletive phrase to be used as an alternative to the more crass "Fuck you" or "Go fuck yourself"; also a more creative alternative to "eat shit", though not as damning as "eat shit and die".
I invited that prick who enjoys listening to WayneNewtonrecords to eat a box of shit.
Scottie'sgrandpa asked him if he had the chance to take his new girlfriend upstairs and eat box.
By Nikaniki
Eating Box
When you are performing rigorous cunnilingus on a female with a shaved vaginal region. Often accompanied by about a .14 BAC and a towel to dry your mouth afterwards. Also: See Blackboxmunching.
"So many hoes in this jaunt right now wearing skin-tight dresses. I'm definitely going to be eating box tonight."