the term Oh my lady gaga is a popular chinese expression used instead of oh my God. the Cosmopolitan magazine is calling it the expression of the moment (end of 2010)
Oh my Lady Gaga! this is awesome! she deepthroated all
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!
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.