Pronounced as "Toe - Chitties." It literally means "Touchable Titties," (and here's the catch) that you would suck on. This can very from person to person. The standard size that be deemed as Touchitties would be "C" and up. However, many females have titties that would be acceptable do to their appearance.
You're in your workplace and a fine female worker walks by you and your friend.
Worker #1 - "Man, look at those tits."
Worker #2 - "Those are some touchitties right there."
You're at a party with some friends.
Friend #1 - "I want some tortilla chips"
Friend #2 - "Why? Touchitties would be more delicious"