Definitions by MPF-MPF-Connie

MPF 

The noise one makes when is:

i. Extremely excited
ii. Reaching a sexual climax
iii. Is studying Physics

Person A: MPF MPF physics left-hand-push rule
Person B: What the hell are you doing, damn it?
Person A: It's a sigh not a sexual moan.

MPF by MPF-MPF-Connie March 29, 2009