first kiss

if you can say "first kiss" then why isnt there a term like "first sex"

Kisses are part of sex, aren't they? Do you refer to "first penetration"?

"first penetration" is just hilarious!

There is "the first time", which usually refers to sex. And no, kisses aren't always part of sex, nor do they always lead to it....

It depends on what type of kiss you are talking about. Definitely some of them are very sexual.

Because "sex", in this sense, is only a verb, not a noun like "kiss" can be.

You would say "first time" which, unless uttered by a very naive person, would refer to sex.

there's "first lay"

lol that's true. That one is more direct than "first time." There's no ambiguity with "first lay."

well...
how 'bout the first card put down in rummy? ; )

how bout first banana inside my pocket?

How 'bout first pencil put down in sharpner?

<<You would say "first time" which, unless uttered by a very naive person, would refer to sex.>>

That was used as a joke on this week's episode of "Kyle XY".

Can one say 'first fuck'?

or first oral sex?