What is "take a crap"

Usage examples of "take a crap".

He walked on as if he owned the place, even let the hunds take a crap behind a two-meter stand of flowers.

Lieutenant Lavenson, formerly of E Company, now battalion S-l, went into a field to take a crap.

I didnt think it would take so long, but it turned out I had to take a crap too.

Food shortages continued, the infrastructure collapsed, and the proletariat still had to run outside to take a crap.