1. to send unsolicited messages or data to a mobile device via Bluetooth without the owner's permission
Usage: informal; technology; chiefly used in early 2000s; less common in modern usage

1. an unsolicited message or data sent to a mobile device via Bluetooth
Usage: informal; technology

Examples

• Hackers attempted to bluejack phones at the crowded airport terminal.
• She received a bluejack message from an unknown sender on her phone.
• The security team warned users about bluejacking attacks in public spaces.
• Mobile devices with Bluetooth enabled are vulnerable to bluejacking.
• He disabled Bluetooth to prevent being bluejacked while commuting.