Alcohol, an irresponsible situation, and a backseat of a vehicle all optional. Teenage angst and hormones not optional. All teenage characters from any time, setting, or canon welcome, as are adult characters aged down.
Just Feeling It Out: Maybe you'll finally get to touch a boob!
Accidental Boner: Oh. Hi there, downstairs.
Deep Kissing: Heavy tongue action.
Flawless Approach: WILL YOU PLEASE HAVE THE SEX WITH ME? always works.
Party: A crazy atmosphere can lead to crazy decisions.
Goofballs: Both of you kind of suck at this, but at least you're cute.
Experience Difference: It doesn't count if it's not with you. That's what you tell yourself, anyway.
Boyfrands/Girlfrands: Finally rounding those bases with your honey.
No Play: They've told you no touching them below the belt. Oops!
Fumble: You touched the wrong place or said the wrong thing. Is this the end of your adventure.
Desperate: Please, please, please, let me stick it in.
Oral: Sometimes, you just want to kiss someone there.
Feels So Good: Let's hope you can last.
Love Confession: Now is a good a time as ever to tell them how you feel
Success: Awww yeah, break out the cigarette.
Failure: Hopefully they'll forgive you for staining their clothes.