A fuck towel is a slut which serves much the same purpose as a towel one would ejaculate into. She does this by letting guys use her instead of, or in addition to, a towel in order to ejaculate without making a mess.
"Man I gotta bust a nut its been a long time."
"Just use the fuck towel dude, she's in the other room."
n. a promiscuousfemale, especially one who has sexual congress with superiors in order to secure advancement in her career.
Kevin Spacey: Dawn here, she used to be quite the little fuck-towel. Film school grad who fucked her way to top assistant. Fucked her way to junior executive and then fucked her way to VP. It was quite a rise.
two or more women lying on top on each other stacked up, so as one can penetrate one vulva, and then switch to the next, going up and down the tower as desired
I once builta fuck tower ten high. Needed a bookcase ladder to go up and down it.