mothers against hard rock

A fake group that someone with no life started. It's not real people, so don't worry about it.

Mothers against hard rock is fake people... Don't believe it... fuck...

yo mama

pathetic retort; unidentified insult aimed at precipient's mother when the speaker has the inability to think of a half-decent comeback.

Person number 1: "You are such a pansy."

Person number 2: "Yo mama!!"