Butt cleavage. when the top of a persons butt cheaks and Gluteal cleft "crack" are exposed. Pronunced "Buh-ses"
The puluber was showing too much busses, so I asked him to pull his pants up.
How the word "buses" is spelled by teachers-to-be in South Carolina, specifically one Ms. Houser. A fine example of what our education system is coming to.
Your son's behavior was very good today! He only lost two busses on his chart. Hopefully he won't lose any busses tomorrow!