dead turk 

A event, person or happenstance that is generally known of but not acknowledged by anyone. A elephant in the room.
Derived from the plotline of an episode of the PBS television series "Downton Abbey" in which the protagonists try and hide the death of a Turkish visitor.

While discussing the reorg, nobody acknowledged the dead turk in the room- the impending layoffs of half the staff.

The crushed fender wasn't the real problem. The dead turk was the empty liquor bottle under the front seat.

dead turk by Onisimos July 20, 2012

dead turkey 

When a guy puts his cock and balls underneath his legs, bends over and hops slightly. The cock and balls move up and down similar to a dead turkey.

Jack showed Jill a "dead turkey" to win her heart.

dead turkey by Joe Bean February 7, 2006

Dead-set turkey

Someone who acts like an idiot for laughs, all of the time, and will most likely never mature, but is otherwise harmless to fellow humans.

That mate of mine Pete throws his dog's shit straight over the neighbour's fence and into their pool, he's a dead-set turkey, honestly.

Dead-set turkey by Stool_pidgun October 16, 2023

deadturkey 

This is done by pushing your cock and balls between your legs and bending over to show your friends.

Tom likes to get wasted and show his dead turkey to everyone at the party.

deadturkey by d bo April 22, 2004