tacky

(digital communication) pertaining to a transmission technique that does not require a common clock between the communicating devices; timing signals are derived from special characters in the data stream itself

tastelessly showy

• “a flash car”
• “a flashy ring”
• “garish colors”
• “a gaudy costume”
• “loud sport shirts”
• “a meretricious yet stylish book”
• “tawdry ornaments”