The alternative defintion of a Ladyboner, when a woman becomes so uncontrollably turned-on, she begins to produce vaginal secretions to the point that her Sarlac resembles a Coffee-house Capuccino. Otherwise known as "Predator-Rabies", or "The Gerard-Buttler-Effect".
"I was watching 'The Passion of the Christ' and got such a huge 'Froth-on' that I had to Feed the Pony right there in the cinema"
"Jeez mom, just let me do my homework before dad comes to pick me up for visitation..."
"...And so when I saw your grandmother get a 'Froth-on' so brutal she looked like her jogging bottoms were a goddamn Rorschach test during an episode of Roots, I figured she wasn't actually 1/16th Italian and that your mother probably was sired by that Jiggaboo who 'Just helped her carry her groceries'. Anyway Junior, I digress, why should Grandpappy help pay towards your college tuition?"
"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!"
The actual thick, white, almost volcano like substance that a Sista oozes out of her puss during the act of sex. It's usually so frothy that it looks like Dan Dierdorf spit in their cunt. This is not always regulated to the Sista's but it's more pronounced because of their complextion.