McSmashing 

The act of sexually assaulting the clerk of a fine McDonald's establishment

Eric: Lets go give that bitch a McSmashing

Gerald: Sure, sounds swell to me

(FUCK YOU AARON)

McSmashing by Nicholas Cage's Earlobe November 1, 2016

Mustashing 

(Verb.) An act of stashing food or crumbs in your mustache, whether it is conscious or not.

*Heinrich Himmler and Adolf Hitler is enjoying a fine meal*

-Adolf Hitler: This is good food, ja?
-Heinrich Himmler: Ja, you have some crumbs in your mustache.
-Adolf Hitler: I am mustashing it for later, sie verdammter Idiot!!!

*Ned and Todd Flanders enjoying a meal*

-Todd: Dad, you have something in your mustache.
-Ned: Oh, I'm diddily saving it for later, son! It's called mustashing.

Mustashing by Mr_Wagner July 28, 2012

McNashing

When someone consistently "Likes" their own statuses/comments

John Smith: "I am so funny" -John Smith and 2 others "Like" this...
There goes John, McNashing himself again! He's so arrogant!

McNashing by Ltobz December 5, 2011