cat thermometer 

n. the use of your cat as a device for judging the approximate current temperature, as once perfectly illustrated in Patrick McDonnell's cartoon strip "Mutts"

You don't need a sprawled-out cat thermometer to tell you it's furshlugginer hot in here.

cat thermometer by KitnWhiskers March 15, 2009

Clam Thermometer 

A dick. specifically one inserted into a pussy

I'll tke your temperature with my clam thermometer; Open your legs bitch

Clam Thermometer by microsoft_bastard March 24, 2003

Thermometer 

When you have reached the level of boredom to type "Thermometer" into the google search engine.

I just got a thermometer stuck in my dogs ass. Help me.

Thermometer by SahenTheTenderTreen November 22, 2016

Beef Thermometer

A mans sex organ (Penis)

Man, Cayleigh is so damn hot. I wouldn't mind taking her temperature with my beef thermometer.

Beef Thermometer by OrgasmicLarry September 7, 2016

Cowboy Thermometer

Horse testicles in Red Dead Redemption 2

"Horse testicles in the newest RDR serve as a kind of cowboy thermometer"

Cowboy Thermometer by Kregritt October 25, 2018

Thernometer 

For some weird reason, some people pronounce "Thermometer "Thernometer." Hopefully you didn't spell it wrong.

Gerald: I need a Thernometer

Everyone else: A fucking what

Thernometer by Jagohno November 30, 2020

thermometer 

the act of having one finger up a girl's asshole while you engage in intercourse.

"i bang'd her and i rock'd a thermometer."

thermometer by L-sos December 9, 2007