I use words. Here is what I mean by those words.
Party: A party could be a party at someone's house like a birthday party, but when I say "party" I am typically referring to a musical event or something equally exciting. If you're pretty square then when I say 'party' you should prolly hear 'act irresponsible'.
Prolly: "Probably"
Slurm: To lay about and generally slack-off. As an adjective 'slurmy' can also convey the mood of wanting to lay about and generally slack-off. For example: It's Sunday, there's absolutely no reason I can't slurm about all day.
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