1 definition by AIMS - Anti Irish Musical Soc.

A word used by folk of a musical nature to identify themselves as musical folk. Generally used by a small, closely knit, possibly inbred group of Irish musical guys n dolls. It has no general meaning, much like the people that use it.
That aims was rooshy boo...
Davina McCall is a bit of rooshy boo..
I just did a rooshy boo in the toilet..
Get the rooshy boo mug.