A url quite often used as a password or insult to a mate. A heightened version of popular comeback “Your mom”

Where I go to blow my loads to pics of your mom bitch

used to be a website, now it just means your mom.

yourmom.com is used when someone is being annoying and wants to know your business. you yell yourmom.com in their face and walk away. they’ll mind their business from then on.