Someone who is so gross, so disgusting, that he/she is not even worth raping. Someone who is repulsive, and whose genitalia is questionable even though they are a virgin.
Man 1 : yo man , wassup ? What's ya name homie ?
man 2: I am Terrance man .
Man 1: so you are t to the e to the r to the ance ! Shit manyour name is unrappable !