Definitions by Reptilian guy

Slicehead 

A Slice head is an emo / depressed / insane person whom is addicted to cutting themselves. Calling someone a slice head is like calling them stupid or crazy.

(Literal use) Did you see those cuts on Isaacs arms? He's obviously a slice head

(Insult use) Logan: Hey dude did you see the emoji movie? It was sick.

Shauna: You're a slicehead

Slicehead by Reptilian guy August 31, 2017