Definitions by yoomaamaaaa!

Full-Blown Girlfriend

The act of dating someone seriously and not dating someone else.
It often metastases to Full-Blown Fiance and in some rare cases, Full-Blown Spouse.

Russ: "She thought you were hitting on her"
Shannon: "No, I wasn't, I have full-blown girlfriend"

Full-Blown Girlfriend by yoomaamaaaa! October 5, 2016