It's all slippery.

4 seconds sound clip from the Step Brothers (2008) movie soundboard.

You can hear this line at 00:57:59 in the Blu-ray version of the movie.

Quote context

[...]

- It's our second date.

- Listen, I'm sick of being all coy and bashful. Okay?

- We're in the bathroom.

- This'll just take a minute.

- There's really little you can do about it. Let me just hop on.

- It's all slippery.

- Oh, my God!

(Woman screaming)

- It's getting tingly. Something's gonna happen, Alice!

- Oh, we just had sex. Just the way I imagined it.

[...]