The ultimate insult that can work on anything just by slightly altering someones sentence with 'ur mum' .it can also be written as 'ur mom'.
person 1: "you're fat"
person 2: "ur mum is fat"
person 1: "that insult is so unoriginal"
person 2: "ur mum is so unoriginal"
the insult that has one weakness which as known as no u
and a inssult thats better ur dad lesbian
a fat prick who rather enjoys eating fried chicken and laughing at other people