The through-gut is the alimentary canal of an animal.

I am taking a gut course this semester.

I took several gut courses during my first year of college.

He has a noticeable beer-gut.

He and his friends proudly displayed their beer-guts at the beach.

She had to wear loose clothing to hide her gut rolls.

She tried to hide her gut roll with a loose-fitting dress.

She was busting a gut to finish the project on time.

He splits a gut every time he hears that joke.

I was splitting a gut from laughing so hard.