probably not. a lot of girls check out other girls just to compare. you just do it to feel better about yourself. if your not attracted to other girls and don't think of them in a sexual way, then you just look at them to see if you're as skinny or pretty as they are. you just want to be able to say "I'm about her size so I'm not fat." or "she' bigger than me and guys look at her so they must think I'm attractive to." sometimes you just can't help but check someone out because they so big or so thin that it's hard not to stare. some of these things may sound kind of mean but they are true. this is common between guys as well. i hope this answers your question. if you need something clarified just ask.
Girls smack other girls butts because they think its funny. i think it can be hot depending on the reaction and the girl.
her butt
take your filter off on google and type in girls butt
Obviously hes cheating dump him and get your butt out there!
Can and do. Anything with a mouth has a butt at the other end of the digestive tract.
no
They have the prettiest butt.
It could mean that they probably fancy you, or they are daring each other.
butt cheeks suck butt idgaf
a butt.
With your hand
A deri is a butt. -.-