But if she want me to go on without a trojan, esta loca,
Esta loca means she is crazy, from Spanish to English.
Trojan is a popular brand of condoms.
So Cassidy is saying you’re crazy if you want me to have sex with you without using a condom.
To help improve the meaning of these lyrics, visit "Condom Style" by Cassidy Lyrics and leave a comment on the lyrics box