HYPSM

Harvard, Yale, Princeton, Stanford, MIT
i.e. Prestigious American universities.

I know this really smart guy. He got into HYPSM

MRP

The Magical Red Pen, belonging to the delegate of Luxembourg, that made its breakthrough appearance at RCIMUN and stunned all the delegates that saw it.

Delegate A: How did you write such an incredible resolution?
Delegate B: I used the MRP!