'what u talkin about' derived from: What are you talking about.

Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.

"wind up their ass" - one who scurries around like they have wind up their ass

Common Finnish name. Usually plays a lot of video games and has a lot of friends from America that happen to be online. He specifically plays a lot of Destiny 2 and says "lets play some video games"