n. devastatingly attractive girl, usually 18-21, fresh-faced, and well-dressed
a. irresistible; almost too attractive for her own good (substantially more fine than too fine)
Contrary to a colonoscopy where a Dr. sticks a camera up ones ass to examine the colon, this is a social procedure in which one finds out the full extent to which another is a tool.
It is usually based on growing concerns that one is a tool.
The word toolon means that someone is either: Disgusting, or you could use the word as in you dont give a fuck about what you just did, OR what the person thinks about what you just did.
1st Definition: John: "Man that bitch's vagina was straight toolon yo"
Frank: "Hell yeah dude, i could smell that shit from the parking lot"
2nd Definition: Mary: "I can't believe you just said that"
Danny boy: "So what? I smacked the fuck outta that bitch with my words of hate.. toolon"