something that is said in response to an idea that is utterly despicable, stupid, boring, retarded, or gross.
Tim: hey fred, would you be interested in coming to my barmitzvah on saturday at 3:00 PM?
fred: i'd rather bone the numa numa guy
jack hoff: BRO ISN'T MY GF FINE?
moe lester: i'd rather bone the numa numa guy