evacuate (one's) bowels
(redirected from evacuate their bowels)evacuate (one's) bowels
To defecate. Hang on, I've got to evacuate my bowels before we leave the house.
evacuate one's bowels
Euph. to defecate. After taking a jog around the block, Jill felt the need to evacuate her bowels. I am afraid my little boy is sick. He has not evacuated his bowels for several days.