The action to unhinge your own jaw while another person emasculates you. Sometimes the action is you watching gross videos while they are all naked. It is usually done in a watching room.
Person I: I've neverseen such horrible torture method!
Person II: Yeah this is morbid and inhumane!
Person III: Wait till you see someone being unhorgentled! >:)
The process of converting a percent back to a fraction. Blood may or may not be involved.
Nick was sweating and bleeding in the lab after confusing 0.01 with 1%. Daniel made him unpercent his numbers and pursue a degree in Electrical Engineering instead of being a Math major.