your moms cow
A generic phrase to be used when an unwanted person attempts to join into a conversation
Sierra: so what are you guys talking about?
Sophia: Your moms cow
Sophia: Your moms cow
Your Mom Is A Cow
When they say this, you are done. There is no comeback that could possibly counter this.
"Man, screw you!"
"Oh yeah? Well, your mom is a cow!"
"Oh yeah? Well, your mom is a cow!"