li mortacci tua 

An italian way used to insult dead relatives. Mostly used in the centre of Italy (Rome).

Es. "Ao Robè ma li mejo mortacci tua!"
Hey Rob, li mortacci tua

li mortacci tua by Nagasakia March 17, 2016

Li Mortacci Tua 

An Italian expression (the use is very common specifically in Rome) that in English means " Your fucking dead relatives". In italian it makes more sense, trust me

A: Sorry! I didn't see you, oh god my yogurt is all on your gucci shirt!
B: Li Mortacci tua! You fucking idiot!

Li Mortacci Tua by ItalianHoe March 3, 2019