"Onion Girl" is a song written by Lady Gaga and produced by Zedd in 2012 for ARTPOP. She revealed the song title on November 19, 2013 in an interview with Canadian radio station, KiSS 92.5. It is rumored that ZEDD reused the instrumental of the song for the track entitled "Straight Into The Fire" from his sophomore album "True Colors".
I'm just an Onion Girl at heart
You can't pull a tear or peel me apart