[awkwarddaturtle]

> I learned English playing MMORPGs. I didn't give a damn about the culture

MMORPGs were created by americans and is part of american culture...

> This means I do not understand some pop culture references

Culture isn't just pop culture.

> but I can speak quite fluently without having cared about English speaking countries' culture.

That's fine. But I find it highly unlikely. Especially considering "anglo" ( particularly american ) culture is so world dominant.