Kangaroo Pouch

When a person, usually female, tucks their tummies into their pants/bottom section of their outfit. It is a common practice to appear slimmer and overall improve their appearance.

Person A: “Hey, I just matched with this one chick on Tinder, look”.
Person B: “She looks kind of big. You don’t see her Kangaroo Pouch?”
Person A: “Ain’t nothing wrong with a little bit of stomach”.