Turkey Timer has popped 

To be past one's prime; no longer desirable or relevant, AND be oblivious to the fact.

Related expressions include "His ship has sailed", "old news", "yesterday's potatoes".

"Did you hear Chevy Chase is getting a new show this fall?"

"No way, man... talk about a guy whose turkey timer has popped."

Turkey Timer has popped by AP in DC May 15, 2008

reverse turkey timer

When you stick your finger up her ass and she pushes it out she's not ready. But if she let's it go in she's ready to go

I put my finger up her ass and she let it slide. Reverse turkey timer

reverse turkey timer by Twooclocktom December 13, 2017

turkey timer 

A slang term for a fully charged / hard clitoris. So called because of its resemblance to the timer that pops out when a frozen turkey is finished baking.

One stroke on her turkey timer and she was gushing like Niagara Falls.

turkey timer by anoldviolin July 21, 2016

turkey timers

A woman's erect nipples, either while topless, or when visible through her shirt. Each nipple sticks out in a way that resembles the thermometer that pops out on a turkey that is finished roasting.

There's no more beautiful sight than a happy pair of turkey timers.

Either it's cold in here, or the turkeys are ready.

turkey timers by Farlig November 28, 2007