(v) To rosenhaus is to fuck someone over for your own self preservation.
(n) To be an uncommonly arrogant, over-confident, self-involved prick.
(n) The technical term for an ingrown anal hair
1. I realized Tom had rosenhaused me when he advised me to break it off with my girlfriend
when I saw them together the next week.
2. Tom was a real rosenhaus to compensate for his lack of penis length.
3. I have the most painful rosenhaus. I can't even sit down.