Formally known as a machine with a blade swung vertically for beheading prisoners in ancient times, the word guillotine is now commonly used in western culture among gay youth. It is used as a bondage device for anal penetration among gay partners.
For example: "Hey big boy, look at this picture of me ass up in a guillotine Ms. Melendez husband took!"
Definitions include: a person who will offend anyone regardless of their race, gender, sexual orientation, political leanings, etc. while claiming to not harbor any hatred towards those offended others.