People are crying
This means the people at this party are sappy and overly introspective and -emotional drunks, or they are catty fight-picking drunks. Neither are fun.

The booze is gone
Nuf said.

Your friend hit on someone's girlfriend and the someone wants revenge...
Grab your friend, no matter how amusing it is to watch the drunken smack talk and bail.

There are high schoolers there
This is never a good thing

They ask you to put your keys in a basket and draw out another pair...
Seriously?