Lyric discussion by ussleep 

No shit gammafighter.

The line is "call it unprotected, girls" because he's not wearing a condom, knowingly giving the girls diseases, making them infected.

Dick Valentine is the man. His songs are like venom or something. I'm not quite sure of the message here, I guess its just generally criticizing American sex culture.

it's definitely "calling" according to the Switzerland lyric booklet, one might be "call it" who knows I didn't go through it thoroughly.

An error occured.