A frog in your throat

Meaning: A sore throat

The accepted explanation for this one is that it became common in the 19th century and was coined purely because when your throat is sore you feel slimy and croaky. Since that’s boring, here’s a little folk etymology for ya: It is also said that a few centuries ago doctors believed that a frog’s bodily fluids could cure any soreness, and would actually put a frog in the sick person’ mouth until the symptoms went away. Gross.