Definition for BLK BLK means Black. This is the most common meaning for BLK on online dating sites, such as Craigslist, Tinder, Zoosk and Match.com, as well as in texts and on chat forums. BLK. Definition: Black.

What is black dating app?

BLK is the new app for Black single men and Black single women with a simple mission: To create an exclusive community where Black men and Black women can find meaningful connections with people who share similar likes and interests. BLK is easy and fun to use: Simply scroll through a personalized list of profiles.