If you don't handle hot (NOT SPICY, the temperature) food or drink well, and you have to let it cool before you try it.

It came from a literal translation of the Japanese word 'Nekojita' (猫舌), which is used to describe someone who can't handle (piping) hot food or drink.
"Is there something wrong with your soup? Do you want something else?"
"Oh no I haven't tried it yet, I'm letting it cool first."
"Oh, so you have a cat's tongue, got it."
by BYOOP May 28, 2017
Get the cat's tongue mug.
A dislike of hot or spicy foods.
"Want any Tabasco?"
"No, cannot stand the stuff, I have a cat's tongue."
by Matt Green August 16, 2006
Get the cat's tongue mug.
The rough feeling one gets after burning the taste buds, when eating or drinking hot food or drink.
I had cat tongue for a week after drinking the hot coffee
by FlyGuyatl December 3, 2014
Get the Cat tongue mug.
The rough tongue feeling one gets after eating too many sour or tart candies.
Sarah was suffering from cat tongue after eating a whole box of Sweettarts.
by kittenatheart July 18, 2011
Get the cat tongue mug.
It refers directly to the texture of genital herpes. But it is more commonly used as just the alternative for the words: genital herpes, or more generically, for just herpes.

As known as having kitty lips. Which is a direct reference to a woman having herpes in the genital area.
"Dude check out the girl over there"

-"Yeah, she's hot, too bad shes got the cats tongue."

"Really?"

-"Yeah dude, kitty lips."

"Ugh, my luck."

-- cats tongue
by PACBROWN November 2, 2010
Get the cats tongue mug.
a stubbly furgina that may result in chaffing of cheeks hips etc.
my gals got cat tongue cause she aint shaved in two days
by almighty bootyholes March 21, 2009
Get the cat tongue mug.