The few inches of a person's bare midriff that are exposed when the bottom hem of his/her shirt rides up due to stretching or bending. Seen often during tennis matches.
She got out of the car and stretched mightily, offering us a beautiful glimpse of tennis tummy. We had never known that her navel was pierced.
by ganymede2981 September 18, 2011

The stomach a future mom gets when she's pregnant. Usually used when trying to decide if a woman is pregnant or not.
1. James: Hey Bill, Did You See Cathy?
Bill: Yeah She Got Big Didn't She?
James: Naw I Think That's A Mummy Tummy
2. "Excuse me, are you fat or is that just a mummy tummy?"
Bill: Yeah She Got Big Didn't She?
James: Naw I Think That's A Mummy Tummy
2. "Excuse me, are you fat or is that just a mummy tummy?"
by The Groove DJ March 14, 2011

by apostle84 February 16, 2015

pulling out of your partner during sex in a missionary position then cumming on your partner's tummy to finish.
by BeavisBungholio December 5, 2018

by Amt6836 give Gud succle December 28, 2018

Upon conclusion of intercourse, one removes his sword from the tunnel and releases tummy puddles on the opposing partners stomach.
by @SlickNick911 February 6, 2015

When you're sitting around watching Netflix and want to pig out on something even when you're not hungry.
Wife: "But you just ate!!"
Boyfriend: "I know, but I want something."
Husband: "You're just tummy bored."
Boyfriend: "I know, but I want something."
Husband: "You're just tummy bored."
by Tonya-D March 25, 2019
