Top Definition
Using the huge amount of back fat on a large girl to masturbate oneself. So called because of the enormous back boobs on American women.
I pulled a right whale last night. She fell asleep on her front, so I had a Yankee Tit Wank on her and went home.
by Gazira March 22, 2010

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×