snatchy
/ˈsnætʃi/Definitions
1. adjective
having or showing a tendency to steal or grab things quickly and often unfairly.
“She accused her brother of being snatchy with her favorite possessions.”
2. adjective
unwilling to share or give up something, especially if it belongs to someone else.
“The snatchy kid refused to let his friend play with the toy he had borrowed.”