A haircut, also known a Bull cut or a crew cut. It is used when referring to when some one has botched bull cut or crew cut.
A sugar bowl is when a Barber/Hairdresser puts a sugar bowl over the customers head and shaves around it. It may also be used as a nickname for a person who received a bad haircut in the past.

n. Another word for the female rectum, also commenly known as the anus, poopshoot, butthole, brown eye, leather cheerio, rectum.