Lots of innuendos.

A group of teenage girls pull down teenage boys pants and are seen in their underwear.

During lunch in the cafeteria in one scene a girl mentions about another girl that's been giving all of the boys wet dreams at night.

One reference about a girl and her starting her periods

Bill Murray makes several jokes about sex, rape, and sexual awareness month.

A group of campers tell a girl that she can get pregnant without "doing it".

There are lots of talks about sex throughout the movie. One scene involves the girls talking about if they have "done it".

A teen boy and girl are heard making out on camera but not shown. They later jump into the water (no nudity) and make out again.

One character says he'll stick a Swiss Army knife in another characters voice box this sounds like a threat but it is meant to be humorous

A teen runs into a basketball goal and gets a nose bleed.

Girls slap a boy with the back end of an arrow.

3 uses of jerk-off

Mofo is said

A few uses of asshole

3-6 uses of bitch

3 or 4 uses of shit

1 use of d*ck

1 use of damn

1 adult term:

Gang bang

Some mild drinking

It's mentioned that Henry Kissinger is going to visit a camp.