the term Oh my lady gaga is a popularchinese expression used instead of oh my God. the Cosmopolitan magazine is calling it the expression of the moment (end of 2010)
Derived from Red Dwarf, it is used when Rimmer attempts to simulate Jacobean courting. It means a man who uses a cheesy move to try and pull a woman. It's very similar to "Oh Matron!" from the Carry On films.
Katie just said that I had a lovely smile. She's hotter than the sun! I'll try yawning and putting my arm around her slender shoulders. Oh my lady!
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.