I fell in love with someone that, that I shouldn't have I gave my heart to someone that, that I shouldn't have Hey, you waste of space, don't show your face again Or I'll mess you up and tell all your friends I fell in love with someone that, that I shouldn't have, yeah ♪ Waste my time on someone that, that I shouldn't have I put my trust in someone that, that I shouldn't have Went and let them in and they trashed the place So I set fire to his car, you should've seen his face You went and fucked with someone that, that you shouldn't have 'Cause if I were you, I'd be running away She is a girl with a temper and something to say And her heart's not a toy, it's a hand grenade They say that love is a war and you'll never be saved You better run, 'cause she's an atom bomb ♪ I got lost in someone that, that I shouldn't have Got in too deep with someone that, that I shouldn't have I know you said that I'm bad, you wanna punish me Won't get on my knees and call you d-d-daddy You took everything I had when you shouldn't have 'Cause if I were you, I'd be running away She is a girl with a temper and something to say And her heart's not a toy, it's a hand grenade They say that love is a war and you'll never be saved If I were you, I'd be running away She is a girl with a temper and something to say You better run, 'cause she's an atom bomb (You better run, 'cause she's an atom bomb) ♪ She don't need you now She don't need you now (I'm nothing but a teenage runaway) She don't need you now (I'm just a bad influence you want nothing to do with) She don't need you now (bad influence you want nothing to do with)