One who achieves super hero-like status through acts of fisting members of same and opposite sex. Cross gender fisting is the last step of the art which leads to demi-god status.
Fisto! You are magnificent! Would you like your class ring back?
by vectortec October 17, 2003
The act of being a little mincer during downball. Taking various amounts of money to pay for your uni brow wax.
Stop being such a fistos you little mincer.
by mange12 May 25, 2012
Fisto (Fully Integrated Security Technotronic Officer) is a protectron that may be reprogrammed to serve as a robotic prostitute in Cerulean Robotics in Freeside in 2281. From the popular game Fallout: New Vegas
"Greetings. Fisto is programmed to please."
by Crashy873 January 10, 2016