party for one

to make a lot of ruckus while doing something alone. having way too much fun with yourself. while this term is often dirty and implies masturbation, it can involve anything- from playing a drinking game alone to a one-man game of Dance Dance Revolution.

neighbour #1: "what the hellis that noise next door? is larry having a party."

neighbour #2: "more like a party for one."

party for one by Partier of One March 8, 2009