Where did they learn this?

#1: Your butt smells.
#2: Yeah, well...your vagina smells!

#1: Oh yeah, did you smell it?
#2: No! Did you smell my butt?!

#1: No, but I can smell it from here.
#2: Well, I can smell you vagina from here!
Me: You know, this is all going on facebook.
Both: Oh....