This is a variation of
joo and joor mama. This variation should only be used if:
A. You are insulting one who is Spanish and you wish the insult to carry over to his mother or "
Madre"
B. If the one you are insulting is
bilingual (Spanish and English) and you wish to impress him/her by insulting him/her in their native tongue.
C. If the one you are insulting knows no Spanish and you wish only to not only insult him/her and their mother but also to show off your uber Spanish skillz.
Please use this only in these circumstances.