-Verb: To be in a constant state of idiocy
Serebii may also have something to do with the popular games Pokemon, but I have not been able to see past to crap to clear up this rumor.
Don't mix up with Serebii-Forums, where personal insults, and arguing about children's video games gives you a higher status.
Noun: Yeah, serebii was coming out my ass like rain. I was on the toilet trying to get this HUGE serebii out, it took 2 hours.
Verb: Soccer moms are always Serebiing
Adjective: My definitions are really Serebii, I need to learn better grammar.