If a sentence says "He’s been messing with Crystal," this is the definition they mean. Context is everything. 2. The "Party Girl" Archetype Move past the drug references, and you find the stereotype. Urban Dictionary has a very specific, recurring character for women named Crystal (or its variant spelling, Kristal).
If you’ve ever searched for a common name on Urban Dictionary, you know the drill. You’re expecting a simple definition, but you’re met with a chaotic, hilarious, and sometimes brutally honest collection of crowd-sourced slang.
More Than a Name: The Many Meanings of "Crystal" on Urban Dictionary