"If my mum finds my stash of porn she is gonna go ballistic."
2. To be incredibly angry. See also furious and apeshit.
- I heard Steve went ballistic last night?
- Yeah, that crazy moron drank a keg and was completely out of control.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.