A new gender, pronouns: it and the raspberry sound *stick tongue out and blow*. You may be a man-slope if someones asked to take a seat and you lay down instead.
A male escort or prostitute. A man who sells his body sexually for money.
Here is a short film published on YouTube on the subject: Man-tute Ed, a middle-aged attorney, decides to give up his dull life to pursue a career as a Man-tute. Unfortunately, the clientele for a middle-aged Man-tute leaves a lot to be desired.