Storing several loads of semeninside your vagina, until it begins to smell like the ocean or seaside, then trying to put that vagina on someone's face.
Man: What smells like a fish market?
Woman: I'm Crabshacking you when we get home!
When pieces or parts are assembled in a manor that is too tight or too close which leads to eminent failure
When Roscoe saw that everything was all busted to shit he knew right away it was a clear case of kramstacking. He said "that sum bitch was kramstacked!"
When someone posts images that aren't them on a dating site or app (see cat-fishing), but you still fly across the country to meet them, you end up sleeping with them, and get crabs.
"So I met this hot girl on Tinder, she sent me shots of herself in a bikini, we made plans for me to fly to Chicago to meet her, and then I got crabs. Textbook crabshacking."
"I couldn't help myself. He was so cute and sent me hipsterporn. I had to crabshack that fool."
A person with an unknown identity. The lack of knowledge about their identity is not because of how creative or unique the person is, but rather because of their lamechoice of persona.
Acen Attendee: "Who are you dressed as?"
Kraghack: "I'm Edge; don't you want to take a picture?"