Noun (n) and Verb (v): from the Greek root, queef, a Quough is when one coughs into a sexual partner's vagina, during the act of oral sex. The re-expulsion of the cough from the vagina is called a Quough.
Pronounciation: 'kwaf'
A delicious dunkin doughnuts donut with an extra handle off the side to use as a handle for dipping. Make the doughnut shaped like a "Q". That's why people call it Quoughnut.