1. To gain entry; to connect, as to a network.
2. To enter or connect by deceptive or unscrupulous means, esp. with malicious intent.
"He tried to jack in and take down their group from the inside after he heard what they were saying about him behind his back."
Prices shown in USD.
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.