A name for a legit Polish gangster. An individual with this name typically has an enormous penis and a lot of money.
Person 1: Hey bro, you know about that nigga Mikolaj?
Person 2: Yeah bro, that's nigga's a boss. He's the best.
Person 2: Yeah bro, that's nigga's a boss. He's the best.
by Spooky_Shrek March 11, 2016