This is an acronym for the term Ideal Black Man. A term that most African American women use to describe their dream guy. This description usually refers to a black man who is a christian, loves kids, successful, talented, honest, loyal, trustworthy, no baggage, and sexxy as hell!!!
Tanya: Girl, I think Johvan is ma IBM.
Jenae: Yeah? Wow, there aint a lotta them out there in tha world. When you think you caught one, hang on tight n dont let go!