wcwのようなどんな単語でも探してください。
 
1.
when you eat so much, that your stomach looks pregnant
Jeez! I ate so much, I look like I am having a food baby!
meadow sopranoによって 2005年09月25日(日)
 
2.
When a person, typically a thin one, indulges in a large amount of food which makes their stomach stick out from the fullness as if they're pregnant.
In the movie Juno:

Juno: I'm pregnant.
Leah: What? Honest to blog?
Juno: Yeah. Yeah, it's Bleekers.
Leah: It's probably just a food baby. Did you have a big lunch?
Juno: No, this is not a food baby all right?
macguff the crime dogによって 2008年03月24日(月)
 
3.
A bloated, enlarged, or extremely full abdominal region after having eaten an exorbitant amount of food. Food babies generally cause discomfort and possible gas or embarrassment, but are unavoidable on occasions such as Thanksgiving.
I ate a chocolate cream pie this morning, and I've had a huge food baby all day.
littlegreenieによって 2009年03月16日(月)
 
4.
after you eat, the fattyness in the lower abdominal area. can be mistaken for 3-4 monthes pregnant
i have a foodbaby!
foodbabyyyによって 2009年03月07日(土)
 
5.
1. A lower abdominal region so bloated from overeating or poor eating as to be distended, round, hard, or otherwise resembling the abdominal region of a woman in the later stages of pregnancy.

2. An episode of defecation preceded by a particularly heinous cramping and/or gas experience wherein one's intestines feel as though they have been stretched beyond capacity, one's colonic and/or anal region may or may not experience tearing, and sweating is likely to occur. Panting, groaning, screeching or crying out may occur, and a period of rest is generally required afterward, the length of which being dependent on such factors as (a) size of food baby in weight and length, (b) duration of labor, and (c) general fitness prior to delivery.
1. "Mom, do you still have your maternity pants in the attic? I at so much turkey this Thanksgiving that I think I'll be expecting a food baby at some point between this evening and tomorrow morning."

2. "Someone put an extra roll of Scott and a bottle of ice chips in the bathroom. John just went into labor and his food baby is ready to join the world."
Dinkin Flicka Momによって 2011年12月04日(日)
 
6.
You ate so much, you feel as if you're pregnant. Also, your stomach sticks out massively.
Dude, I ate so much I have a food baby!
supaaacoolyoによって 2011年10月26日(水)
 
7.
Eating such an amount of food as to make it feel that you are actually pregnant. Distension of the abdomen due to eating a large meal. The feeling of stretching of your belly due to eating too much.

Jim, you get credit for this :D
Ugh, the food-baby is kicking, I shouldn't have eaten two burritos
LaEnanaによって 2011年01月10日(月)