Streuwinkel means "spread angle" or "scattering angle" in German. Me and some folks from a vocational school used to play the original Counter-Strike. I think it was because I had more practice in the game that I decided to pick the least accurate weapons for a challenge and changed my nick name accordingly. "Winkel" also means "shop" in Netherlands.
Usually, they are different in various games, chosen quickly, intuitively, and based on mood.
I punch my head in my keyboard few times at 10y.o , delete some letters and boom. 13years after, I keep this Username :)
FOK from Namibian to Russian translates as "Idiot", but in a pretty rude form. Apparently it was just a fluke from Google Translator, and it's not a thing now, but FOK sounds short and nice
I was planning on naming myself "Cookies&Creme" but that was taken so I just randomly named myself this for no reason
Microsoft gave me this name for free no thinking needed
Untar la manteca means "spread the butter" in Spanish. A friend of mine gave it to me as a joke but I thought it was cool