The act of vultching describes somebody trying to flirt with or feel up someone else without really hiding what they are trying to do.Someone who vultches is often trying to get with a vulnerable or lonely girl who they see as easy prey.
Example 1:
James: "Kaaaassssers!!! I love you Kassseeerrrss!!!!
Some slut: I will now preform the forbidden predominant space time continuum bending, soul snatching, reality distorting, quintuple ultra seal vacuum, Gwak gwak twister gobble double bubble blowie combo wombo beyond infinity procedure.