Pinching the nipple of a female and pulling hard.

basically, it means grabbing tits. you can also say picking flowers.

Picking flowers refers to when someone is visiting the bathroom.

Its also pretty feminine thing to say, and maybe even a bit prestigous, not sure though

It is a term New Yorkers use as "getting drunk" to use if you dont want any one knowing you are.. such as your parents:)

The act of picking crusted shit out of ones asshole then smelling it.