To have have consumed far too many alcoholic drinks; To be completely hammered, drunk and inebriated; To have had too much to drinks; Similar to drunk, sloshed, hammered, plastered and bombed.
"As soon as I write my last exam, I'm heading out and getting zipperknuckled!"
"Originally I only wanted to have a couple of drinks, but I had way too many and ended up getting completely zipperkunckled."
Person 1: I was walking the other day and I saw a... uhh.. a Zipperdude. Can you believe it I saw this really big Zipperdude!
Person 2: What's a Zipperdude? What are you talking about? What is it?
Person 1: It's not anything. It doesn't have a definition.
Person 2: You can't use a word that doesn't have a definition!
The bulge formed in a man's genital area, caused by sitting down with jeans. The zipper bunches up, forming an erection like bulge, which can scare and excite all who are there to witness it.
"FUCK, IT'S JUST CAREERS CLASS DON'T GET ALL EXCITED ON ME"
"Calm down man, it's just a zipperection."
"Oh. Haha, it's pretty funny."
The major scandal of the late 1990's, the result of Bill Clinton not being able to resist the urge to keep his pants zippered up around his administration's interns.