The obfuscation of one's dude-like qualities, typically because he/she is secure in their dudeliness and have no need to lord it over others.
You're not really dude if you are always trying to convince others that you are. You should practice dudefuscation to truly understand what it means to be dude.
An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"
Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."