A nickname for a person, typically a girl, who does crazy things and feels no shame. If two rellas are together, there is bound to be twice the insanity, and scandalous acts will take place. The name rella may be shortened to rell, rellie, or beelzebub
Lamella- "Did you hear about the girl who streaked through the cemetery at midnight?"
Tessa- "No way! She must be a hard ass rella!"