Why my guild name is offensive?

[MarBurG]

Hello,

I would like to ask the GM's why my guild name was considered offensive, the guild's name turned offensive after this many years?

 

My guild name is/was "A tua prima de quatro" - This week a GM pulled my GL to a closed room and turns out my guild name is offensive? Why? Why can't your cousin be on his/her four?

Why is it offensive? I've seen guild names, player names and now all of the sudden my guild name is offensive.

 

I would like to know, thanks for all.