Bellyache (verb)

1. To complain or grumble about something.
2. To have abdominal pain or discomfort.

Origin:

The word "bellyache" is a combination of the words "belly" and "ache" and refers to the act of complaining or grumbling about something, or the feeling of abdominal pain or discomfort. .

Examples:

1. He was always bellyaching about something.
2. The stomach ache made her bellyache.
3. She bellyached about the long wait.
4. The customer was bellyaching about the poor service.
5. He bellyached all day about the weather.