"Man he has a lot of froth for a kid."
"Gee whiz mate, you're right!"
"Thats a frothycino right there-"
"Its building up ever so bubbly and beautifully!"
When a man ejaculates on a woman's face and his sperm resembles that of a mustache. He then proceeds to put a beret on the woman and commands her to make him a sandwhich.
A double up is when the driver of the boat circles and intercescts its own wake at 90 degrees. During that time the waves combine to form larger waves. The largest wave formed during the double up is termed the frothy dog.