Hey Stanley! I've been having lots of trouble playing cubecraft eggwars as well. I think that since there's been a giant increase in players recently, the servers may be getting overloaded. Of course this is just my guess but yeah, I'd love to know if there is a solution to this. 😄
I think it's just a glitch. It's happened to me quite a few times and the only real solution to this is protect your egg and don't die. I agree that it's really annoying however it's hard to recreate the glitch to bug report it.