If your an eggie that doesn't sleep, is cute and also aggressive, then you are definitely an eggacoon.

phone: why don’t you go to sleep tommy it’s 2 in the morning?
tommy:why don’t you die you dumbazz

Etsub is definitely an eggacoon,

Etsub is definitely an eggacoon, she stays up all night so she has dark circles under her eyes, she looks so cute, but don't let that fool you, she'll bite (figuratively).