Also known as a Naco, This person is totally rad and has lived or is living in a houshold that contains both the Nache and the Brisco Family. A Briche is super special awesome and has a total of at least 25 cool beans, (1 cool bean being lame and 100 cool beans being Jesus.) They are always topped with sweet skittles and awesome sauce and they never ever lose at anything ever. Everyone is sad that they aren't a Briche.
Bob: Oh wow that babe is totally freaking radical.
Jim: Yeah she's a Briche.
Bob: Sweet!
When a man tries to engage in intercourse, but cannot seal the deal due to having a flaccid penis induced by excessive amounts of alcohol/drugs. Usually resembling a brioche roll.
Man 1: 'Hey man, did you shag her last night'
Man 2: 'Nah man, that bag of sniff gave me a proper brioche cock'