noun: short for nacho brothers, word coined my hit television show "Scrubs" meaning two men who share a bond because one shared his leftover bar food, like nachos, with another.
by Straz 616 December 01, 2009
"We shared a plate of nachos, we're 'nachbros'. (as heard on TV episode "Our Drunk Friend" Scrubs Episode, 2009
by AskDavid January 12, 2010