2. Any crab, especially one with one big claw and one little claw.
3. An affectionate, silly insult for a person.
4. "Crabey" can occasionally be used as a sort of combination sentiment of "crazy" and "crappy"--but in an amused, affectionate sort of way.
What the crabe??
Shall we have crabes for dinner when we visit Maryland?
Manda, you're such a crabe, haha.
Dude, that party was pretty fun, but man, towards the end it was sorta getting...crabey.