And I've heard many things from Jordin Spark's Battlefield:
Misheard: So you better go get your armor!
Misheard: So you better go get your arm up!
Misheard: So you better go bitch-a-rama!
Actual lyrics: So you better go get your army!
Ke$ha, "Your Love Is My Drug"
Actual: "Your love, your love, your love is my drug. Your love, your love, your love..."
Misheard: "Your love, your love, your love is my drug. Get out, get out, get out..."