bahn-UH-roo(exclamation) wonderful, great, etc... originating in the 1960's from the "polari" slang of the time.
"I just got us reservations at that restaurant you've been wanting to go to"
by netta July 30, 2006
1 more definition
Your best clothes. (Often used in a prison, referring to your nices set of prison clothes).
Prisoner 1365, time for your court appearence, slap on your bonaroos, and get movin'.
by Jeff S. June 04, 2005