This is an acronym for the phrase, Gay Boy For Real.
An exceptionally annoying person, usually know as GBFR only because he is in the same room as you. Do not give a GBFR any personal info, as they will see this as an attempt to have a life long friendship. WARNING! Do not give GBFR your address or phone number; he WILL attempt to contact you, and speak endlessly about his hoser life.
The ability girls and women have developed to hold several items at once in one hand. The skill has been developed due to the lack of pockets in women's clothing.
I thought she'd need multiple trips to carry her phone, keys, wallet, and Starbucks to her car since she needed the other hand to open the door, but she used her impressive girl grip to carry everything in one hand.