your moms a buffalo
When you are down and out, when you have no jokes left, whip this one out and stuff it in his face. The ultimate comeback.
Crowd: "AWW YEAH! YOU GOT OWNED!!! CHAD OWNED YOU!!! NO COMING BACK FROM THAT!!! AWWW!!!"
Kurt: "Your moms a buffalo."
Crowd: ... (silent.)
Kurt: "I'm out."
Kurt: "Your moms a buffalo."
Crowd: ... (silent.)
Kurt: "I'm out."