M'pleasure
A contraction of 'my' and 'pleasure' stereotypically used by neckbeards and hopeless incels after performing a kind gesture for a woman way out of their league. The word is often accompanied by the user tipping their fedora, should they be wearing one.
Beautiful Woman: "Thank you so much for holding the door for me."
Neckbeard: "M'pleasure."
Neckbeard: "M'pleasure."