This is similar to a sausage fest which is a gathering, club or party attended primarily by men, however a snausage fest is attended by ugly men

Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy

noun: an event similar to a sausage fest, but instead of having too many guys it has too many transexuals who have changed from female to male

Where a Room is Completely Devoid of Female Dogs, or Bitches, and filled to the brim with Male Dogs.