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1.
Sororchestra is a portmanteau of Sorostitute and Orchestra

(n): a large gaggle of sorostitutes congregating in a small area and (loudly) having multiple phone conversations.
Bro #1: "So, like I was saying..."

*Sorostitutes walk past*

Bro #2: "You'll have to say it again bro, that Sororchestra was so damn loud!"
by Senor Trollito January 13, 2011