short for bishounen, which literally means beautiful boy or pretty boy in japanese. usually describing a guy who has effiminate features as well as a slight build.
not necessarily a negative or positive word, its all in context.
"aww! that guy is so cute! hes so bishy!"
"man! that guy looks like a chick! haha! iv never seen anyone so bishy!"
meaning literally "boy love" in japanese. it is a lot like yaoi, but not as hard core.
mostly depicting boys kissing or light making out.
shonen ai, as a medium usualy revolves around relationships and emotional situations, rather then the guy on guy sex.
"gravitation is such a cute shonen ai show! i cant wait for its release here!"