Sweating blood -- I'm gonna hurl! -- Farting around -- All pooped out -- Snot-nosed brat -- Making a stink -- By the skin of your teeth -- Foaming at the mouth -- Something smells fishy -- Flesh and blood -- You are what you eat -- Bite your tongue -- Coughing up a lung.
Summary
Defines expressions in the English language that refer to uncouth functions of the human body, to put it politely.