I don't get this joke. Someone help me understand it?

Question

Well at hockey practice this kid walks up to some kids and looks at them with jaw open like the saw something amazing, then he says our mommas the same!! Everyone starts laughing their aszes off but I don't get it.

Answer 1

thts not even a joke its just something random

Answer 2

i think they all started laffing because it was really random!! i would laff lol

Answer 3

basically the wife is having two seperate lives

Answer 4

i dont know that is weird