What is The Quagmire?
The Quagmire is when you are having intercourse, and as you bang her, you move your head back and forth like Quagmire from Family Guy while saying "Giggity Giggity Giggity!"
*doing "The Quagmire"
guy: Giggity Giggity Giggity!
See quagmire, sex, intercourse, giggity