A common euphemism for
gay anal sex between a student and a professor, especially when the student is the submissive (receiving) partner and the professor is the dominant (penetrating) partner. This phrase is thought to have originated at
Caltech, though it has also become common at
Stanford and MIT.
Gautam: Has anyone seen Andrea lately?
Navid: I think he's in his
advisor's office... probably studying
quantum cryptography
Jialin: Wow! They've been in there three hours!