A bitchnest is a collection of girls, usually teenagers or young adults, who are rude and spiteful and all around bitchy. It can also apply to groups that have both girls and guys.
"High school is filled with self-centered girls. What a bitchnest."
"That clique is such a bitchnest."
"That clique is such a bitchnest."
by Minty Blue March 10, 2013