Jackness
A person who’s usually sweet and nice until someone messes with them. Then they turn into a total monster.
"He was nice until I made fun of him. Now he’s a monster.", A guy who just got roasted
"She was kind until I messed with her. Now she’s a total beast.", A girl who got her feelings hurt
"He was a good guy until I pulled his leg. Now he’s all over me.", A guy who just got beat up.