Yup. RIM has...called autotext.
Copy the icon and go to autotext and create a new entry and paste the icon in the replace with fields. Type the letters you want in the line above and save. Go into bbm and type your identifying letters and a space and bam. There it is.
jaydee...do you have yours setup with autotext, cause i just get ??? when i try it. thanks for getting that to me.