If dicks is a word of frustration out of something unfortunate - dixcore is the very core element of that dicks. The being of gayshit, the penultimate fucked up shit.
Book falling out of locker = dicks
Every book you own plus papers, bag, soccer, ball, porno, diary, ipod, ms kantor and 2 year old edition of The Giver = Dixcore
an aesthetic associated with running away from your problems/running away from home or finding an escape from reality. Can also be just being a dumbteen. Not an aesthetic that goes with weirdcore, traumacore, or daycore.