Can an 8-year-old be a bitch...??!

Consider the following conversation which took place today in my child's second grade class:

Boy Student: [finishing up his report on Gekkos] Any questions or comments?
Supposed "best friend" of Boo: [Raises hand] ...
Teacher: Yes, SBFOB? Go ahead...
SBFOB: Um, [giggles] well, this isn't really about BS's report or about gekkos but... I just saw a lice bug in Boo's hair.*
[Class erupts in squeals, laughter, chagrin etc.]
Teacher: Alright, SBFOB. That cetainly doesn't have anything to do with Gekkos. Now does anyone have any comments about gekkos? [Boo sits still feeling small, embarrassed and confused. I know this because she told me that's how she felt as we were driving home.]

*ed. note - this from a child who actually did have a pretty serious case of lice herself and surely knows how it feels to be teased PLUS who staunchly declares herself Boo's "closest friend ever!" Sad, but I still have to kill her...