After years of weekend drinking, Mark developed a noticeable beer gut that made his shirts fit tighter.

I thought the street tacos were harmless, but by midnight I was hit with terrible gut rot.

I had to bust a gut to finish the project on time.

During the diagnostic scan, the doctor noted a small congenital tail-gut remnant near the coccyx.

The marine biologist noted unusual pigmentation in the tail guts of several larvae.

The pale specimens revealed several tiny tail-guts tucked beneath the vertebrae.

Some medical texts list tail gut as an alternative form of tailgut when describing congenital remnants.

Facing a tougher opponent than ever, the captain rallied the team with the proverb no guts, no glory to remind them that risks were necessary.

The veterinarian diagnosed the horse with a severe gut-tie and prepared for emergency surgery.

The boxer winced after taking several gut shots during the third round.