check out the plumbing

check out the plumbing

Euph. to go to the bathroom. (The order is fixed.) I think I'd better check out the plumbing before we get on the highway.
See also: check, out, plumbing

check out the plumbing

and visit the plumbing
tv. to go to the bathroom. I think I’d better check out the plumbing before we go. Excuse me. I need to visit the plumbing.
See also: check, out, plumbing