Lyric discussion by musikleben 

Cover art for Purple Stain lyrics by Red Hot Chili Peppers

i find the line, "celluloid love's got a john frusciante" to be the most intriguing. i think it's a nice little contrast, as 'celluloid' can not only refer to the plastic but also Hollywood in general (i.e. the film industry as celluloid was once used in actual film). This line could be criticizing the plastic fakeness/superficiality of Hollywood but at the same time this line is realizing john frusciante is a part of this place (LA) even if he isn't a part of the fake scene or attitudes of other celebrities (thus the contrast). Thus the 'celluloid love' has an awesome person like john frusciante, whether or not he desires to be associated with all that the 'celluloid love' represents you know? as for the rest of the song...haha i'll refrain from analyzing as i just went into great depth to explain one line!

@musikleben no, it means, John called him on his cellphone... Dude was having sex, she got her period, he wanted to get outta there. He made up an excuse.