To call someone a Sleezy Bear is to point out their profound involvement him/herself has in the most dirty and trashy sexual activities and how they tend to brag about it, A Sleezy Bear sometimes spits and sleeps in its own cloths. A Sleezy Bear also very rarely tips his/her waiter.
This insult also hints at the fact the person may or may not be of the bear species.
Person 1: "Did you hear about that guy?"
Person 2: "Yeah he's such a Sleezy Bear, he never tips"
Person 1: "I heard he gets up to the weirdest disgusting sexual activities with peoples parents"
The year after graduating high school during which one sleeps for an entire year instead of going to college. After one wakes up, college begins. A sleepyear is used as a way to fully regain one's energy after the exhausting years of high school, so as to be fully awake and ready to get down to business in college.