1. The most expensive thing on the menu, ostentatiously ordered for its price alone, derived from the combination of the words "steak" and "lobster."
2. One who orders such a thing when taken out.
3. One who brings a date to a restaurant or lounge where such things are routinely ordered.
2. Man, that slobster hosed me. She ordered the filet mignon and a 50-year-old scotch then went to the bar with someone else.
3. Look at all the fugging slobsters in that sushi lounge.
Man and woman goes back to his place and she sees dishes and clothes strode all over the house (A.k.A the dumpster)
Woman:EEEWWWWWW GROSSS YOUR SUCH A SLOBSTER!!!