Top Definition
the sexual act when you fill a women's ass with pancake mix and fuck it for at least an hour, the next day you both wake up to the best Japanese style pancakes a women's ass can make
"I totally gave her a Japanese flapjack, you want some?"
by JapanSexMan October 30, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.