To go full crab is to go all out while drinking. Think of it as an overdrive mode. Inspired by Jackie Chan's crab-based drinking game in Shanghai Noon.
"I'm so hungover today. I went full crab last night: spent £80, got kicked out of the club for trying to attack the bouncer with my imaginary pincers and woke up spooning a traffic cone."
ayon kay gstark ika-25 ng Nobyembre, 2012